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Zipperpin---2.1.9999.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU552^1 : TPTP v9.2.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.HFAYF4XCyE true

% Computer : n024.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Oct  2 04:55:02 PM UTC 2025

% Result   : Theorem 1.68s 1.21s
% Output   : Refutation 1.68s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.24  % Problem  : SEU552^1 : TPTP v9.2.0. Bugfixed v4.0.0.
% 0.03/0.25  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.HFAYF4XCyE true
% 0.11/0.50  % Computer : n024.cluster.edu
% 0.11/0.50  % Model    : x86_64 x86_64
% 0.11/0.50  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.50  % Memory   : 8042.1875MB
% 0.11/0.50  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.50  % CPULimit : 300
% 0.11/0.50  % WCLimit  : 300
% 0.11/0.50  % DateTime : Wed Oct  1 16:02:53 EDT 2025
% 0.11/0.51  % CPUTime  : 
% 0.11/0.51  % Running portfolio for 300 s
% 0.11/0.51  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.51  % Number of cores: 8
% 0.11/0.52  % Python version: Python 3.6.8
% 0.11/0.52  % Running in HO mode
% 0.25/0.81  % Total configuration time : 828
% 0.25/0.81  % Estimated wc time : 1656
% 0.25/0.81  % Estimated cpu time (8 cpus) : 207.0
% 0.25/0.94  % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.25/0.99  % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.25/1.06  % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.25/1.13  % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.25/1.15  % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 1.60/1.18  % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 1.68/1.21  % Solved by lams/40_c.s.sh.
% 1.68/1.21  % done 10 iterations in 0.109s
% 1.68/1.21  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 1.68/1.21  % SZS output start Refutation
% 1.68/1.21  thf(setadjoinAx_type, type, setadjoinAx: $o).
% 1.68/1.21  thf(notdexE_type, type, notdexE: $o).
% 1.68/1.21  thf(setunionAx_type, type, setunionAx: $o).
% 1.68/1.21  thf(powersetE_type, type, powersetE: $o).
% 1.68/1.21  thf(omegaSAx_type, type, omegaSAx: $o).
% 1.68/1.21  thf(exuI1_type, type, exuI1: $o).
% 1.68/1.21  thf(exuI2_type, type, exuI2: $o).
% 1.68/1.21  thf(wellorderingAx_type, type, wellorderingAx: $o).
% 1.68/1.21  thf(setoftrueEq_type, type, setoftrueEq: $o).
% 1.68/1.21  thf(emptyset__Cong_type, type, emptyset__Cong: $o).
% 1.68/1.21  thf(setext_type, type, setext: $o).
% 1.68/1.21  thf(emptyinPowerset_type, type, emptyinPowerset: $o).
% 1.68/1.21  thf(in_type, type, in: $i > $i > $o).
% 1.68/1.21  thf(quantDeMorgan1_type, type, quantDeMorgan1: $o).
% 1.68/1.21  thf(setadjoinIR_type, type, setadjoinIR: $o).
% 1.68/1.21  thf(prop2set2propI_type, type, prop2set2propI: $o).
% 1.68/1.21  thf(dsetconstrEL_type, type, dsetconstrEL: $o).
% 1.68/1.21  thf(setbeta_type, type, setbeta: $o).
% 1.68/1.21  thf(eqinunit_type, type, eqinunit: $o).
% 1.68/1.21  thf(upairsetIL_type, type, upairsetIL: $o).
% 1.68/1.21  thf(powersetAx_type, type, powersetAx: $o).
% 1.68/1.21  thf(powersetI_type, type, powersetI: $o).
% 1.68/1.21  thf(upairsetIR_type, type, upairsetIR: $o).
% 1.68/1.21  thf(inCongP_type, type, inCongP: $o).
% 1.68/1.21  thf(exuE3e_type, type, exuE3e: $o).
% 1.68/1.21  thf(emptysetE_type, type, emptysetE: $o).
% 1.68/1.21  thf(setunionI_type, type, setunionI: $o).
% 1.68/1.21  thf(prop2setI_type, type, prop2setI: $o).
% 1.68/1.21  thf(nonemptyImpWitness_type, type, nonemptyImpWitness: $o).
% 1.68/1.21  thf(exuE2_type, type, exuE2: $o).
% 1.68/1.21  thf(emptyset_type, type, emptyset: $i).
% 1.68/1.21  thf(subPowSU_type, type, subPowSU: $o).
% 1.68/1.21  thf(notinemptyset_type, type, notinemptyset: $o).
% 1.68/1.21  thf(nonemptyI1_type, type, nonemptyI1: $o).
% 1.68/1.21  thf(zip_tseitin_1_type, type, zip_tseitin_1: $i > $i > $i > $o).
% 1.68/1.21  thf(singletonsswitch_type, type, singletonsswitch: $o).
% 1.68/1.21  thf(quantDeMorgan3_type, type, quantDeMorgan3: $o).
% 1.68/1.21  thf(setunionE_type, type, setunionE: $o).
% 1.68/1.21  thf(emptyinunitempty_type, type, emptyinunitempty: $o).
% 1.68/1.21  thf(setadjoinE_type, type, setadjoinE: $o).
% 1.68/1.21  thf(descr_type, type, descr: ($i > $o) > $i).
% 1.68/1.21  thf(setadjoinIL_type, type, setadjoinIL: $o).
% 1.68/1.21  thf(exuE1_type, type, exuE1: $o).
% 1.68/1.21  thf(prop2set_type, type, prop2set: $o > $i).
% 1.68/1.21  thf(notinsingleton_type, type, notinsingleton: $o).
% 1.68/1.21  thf(emptysetimpfalse_type, type, emptysetimpfalse: $o).
% 1.68/1.21  thf(zip_tseitin_0_type, type, zip_tseitin_0: $i > $i > $i > $o).
% 1.68/1.21  thf(upairsetE_type, type, upairsetE: $o).
% 1.68/1.21  thf(omega0Ax_type, type, omega0Ax: $o).
% 1.68/1.21  thf(sk__217_type, type, sk__217: $i).
% 1.68/1.21  thf(quantDeMorgan4_type, type, quantDeMorgan4: $o).
% 1.68/1.21  thf(setextAx_type, type, setextAx: $o).
% 1.68/1.21  thf(sk__219_type, type, sk__219: $i).
% 1.68/1.21  thf(noeltsimpempty_type, type, noeltsimpempty: $o).
% 1.68/1.21  thf(setunion_type, type, setunion: $i > $i).
% 1.68/1.21  thf(zip_tseitin_4_type, type, zip_tseitin_4: $i > $i > ($i > $o) > $o).
% 1.68/1.21  thf(descrp_type, type, descrp: $o).
% 1.68/1.21  thf(foundationAx_type, type, foundationAx: $o).
% 1.68/1.21  thf(emptysetAx_type, type, emptysetAx: $o).
% 1.68/1.21  thf(emptyI_type, type, emptyI: $o).
% 1.68/1.21  thf(setadjoinOr_type, type, setadjoinOr: $o).
% 1.68/1.21  thf(zip_tseitin_2_type, type, zip_tseitin_2: $i > $i > $i > $o).
% 1.68/1.21  thf(emptyE1_type, type, emptyE1: $o).
% 1.68/1.21  thf(emptyInPowerset_type, type, emptyInPowerset: $o).
% 1.68/1.21  thf(vacuousDall_type, type, vacuousDall: $o).
% 1.68/1.21  thf(dsetconstr_type, type, dsetconstr: $i > ($i > $o) > $i).
% 1.68/1.21  thf(dsetconstrER_type, type, dsetconstrER: $o).
% 1.68/1.21  thf(exu_type, type, exu: ($i > $o) > $o).
% 1.68/1.21  thf(zip_tseitin_3_type, type, zip_tseitin_3: $i > $i > $i > ($i > $i > $o) > $o).
% 1.68/1.21  thf(uniqinunit_type, type, uniqinunit: $o).
% 1.68/1.21  thf(zip_tseitin_5_type, type, zip_tseitin_5: $i > ($i > $o) > $o).
% 1.68/1.21  thf(prop2setE_type, type, prop2setE: $o).
% 1.68/1.21  thf(omega_type, type, omega: $i).
% 1.68/1.21  thf(nonemptyI_type, type, nonemptyI: $o).
% 1.68/1.21  thf(exuE3u_type, type, exuE3u: $o).
% 1.68/1.21  thf(exuI3_type, type, exuI3: $o).
% 1.68/1.21  thf(notdallE_type, type, notdallE: $o).
% 1.68/1.21  thf(powerset_type, type, powerset: $i > $i).
% 1.68/1.21  thf(dsetconstrI_type, type, dsetconstrI: $o).
% 1.68/1.21  thf(nonempty_type, type, nonempty: $i > $o).
% 1.68/1.21  thf(set2prop_type, type, set2prop: $i > $o).
% 1.68/1.21  thf(setadjoin_type, type, setadjoin: $i > $i > $i).
% 1.68/1.21  thf(exu__Cong_type, type, exu__Cong: $o).
% 1.68/1.21  thf(quantDeMorgan2_type, type, quantDeMorgan2: $o).
% 1.68/1.21  thf(sk__220_type, type, sk__220: $i).
% 1.68/1.21  thf(replAx_type, type, replAx: $o).
% 1.68/1.21  thf(nonemptyE1_type, type, nonemptyE1: $o).
% 1.68/1.21  thf(omegaIndAx_type, type, omegaIndAx: $o).
% 1.68/1.21  thf(sk__218_type, type, sk__218: $i).
% 1.68/1.21  thf(in__Cong_type, type, in__Cong: $o).
% 1.68/1.21  thf(emptyset__Cong, axiom, emptyset__Cong = (( emptyset ) = ( emptyset ))).
% 1.68/1.21  thf('0', plain, (( emptyset__Cong ) = ( ( emptyset ) = ( emptyset ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exu__Cong, axiom, exu__Cong =
% 1.68/1.21    (![Xphi:( $i > $o ),Xpsi:( $i > $o )]:
% 1.68/1.21     ( ( ![Xx:$i,Xy:$i]:
% 1.68/1.21         ( ( ( Xx ) = ( Xy ) ) => ( ( Xphi @ Xx ) <=> ( Xpsi @ Xy ) ) ) ) =>
% 1.68/1.21       ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) <=>
% 1.68/1.21         ( exu @ ( ^[Xx:$i]: ( Xpsi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('1', plain,
% 1.68/1.21      (( exu__Cong ) =
% 1.68/1.21       ( ![X4:( $i > $o ),X6:( $i > $o )]:
% 1.68/1.21         ( ( ![X8:$i,X10:$i]:
% 1.68/1.21             ( ( ( X8 ) = ( X10 ) ) => ( ( X4 @ X8 ) <=> ( X6 @ X10 ) ) ) ) =>
% 1.68/1.21           ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) <=>
% 1.68/1.21             ( exu @ ( ^[V_2:$i]: ( X6 @ V_2 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuE3u, axiom, exuE3u =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.68/1.21       ( ![Xx:$i,Xy:$i]:
% 1.68/1.21         ( ( Xphi @ Xx ) => ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) ) ))).
% 1.68/1.21  thf('2', plain,
% 1.68/1.21      (( exuE3u ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.68/1.21           ( ![X6:$i,X8:$i]:
% 1.68/1.21             ( ( X4 @ X6 ) => ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(in__Cong, axiom, in__Cong =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( ( A ) = ( B ) ) =>
% 1.68/1.21       ( ![Xx:$i,Xy:$i]:
% 1.68/1.21         ( ( ( Xx ) = ( Xy ) ) => ( ( in @ Xx @ A ) <=> ( in @ Xy @ B ) ) ) ) ))).
% 1.68/1.21  thf('3', plain,
% 1.68/1.21      (( in__Cong ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ( X4 ) = ( X6 ) ) =>
% 1.68/1.21           ( ![X8:$i,X10:$i]:
% 1.68/1.21             ( ( ( X8 ) = ( X10 ) ) =>
% 1.68/1.21               ( ( in @ X8 @ X4 ) <=> ( in @ X10 @ X6 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(inCongP, axiom, inCongP =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( ( A ) = ( B ) ) =>
% 1.68/1.21       ( ![Xx:$i,Xy:$i]:
% 1.68/1.21         ( ( ( Xx ) = ( Xy ) ) => ( ( in @ Xx @ A ) => ( in @ Xy @ B ) ) ) ) ))).
% 1.68/1.21  thf('4', plain,
% 1.68/1.21      (( inCongP ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ( X4 ) = ( X6 ) ) =>
% 1.68/1.21           ( ![X8:$i,X10:$i]:
% 1.68/1.21             ( ( ( X8 ) = ( X10 ) ) =>
% 1.68/1.21               ( ( in @ X8 @ X4 ) => ( in @ X10 @ X6 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuI2, axiom, exuI2 =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ?[Xx:$i]: ( ![Xy:$i]: ( ( Xphi @ Xy ) <=> ( ( Xy ) = ( Xx ) ) ) ) ) =>
% 1.68/1.21       ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ))).
% 1.68/1.21  thf('5', plain,
% 1.68/1.21      (( exuI2 ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( ?[X6:$i]: ( ![X8:$i]: ( ( X4 @ X8 ) <=> ( ( X8 ) = ( X6 ) ) ) ) ) =>
% 1.68/1.21           ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuI3, axiom, exuI3 =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ?[Xx:$i]: ( Xphi @ Xx ) ) =>
% 1.68/1.21       ( ( ![Xx:$i,Xy:$i]:
% 1.68/1.21           ( ( Xphi @ Xx ) => ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) ) =>
% 1.68/1.21         ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('6', plain,
% 1.68/1.21      (( exuI3 ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( ?[X6:$i]: ( X4 @ X6 ) ) =>
% 1.68/1.21           ( ( ![X8:$i,X10:$i]:
% 1.68/1.21               ( ( X4 @ X8 ) => ( ( X4 @ X10 ) => ( ( X8 ) = ( X10 ) ) ) ) ) =>
% 1.68/1.21             ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuI1, axiom, exuI1 =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ?[Xx:$i]:
% 1.68/1.21         ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.68/1.21           ( Xphi @ Xx ) ) ) =>
% 1.68/1.21       ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ))).
% 1.68/1.21  thf('7', plain,
% 1.68/1.21      (( exuI1 ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( ?[X6:$i]:
% 1.68/1.21             ( ( ![X8:$i]: ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) & 
% 1.68/1.21               ( X4 @ X6 ) ) ) =>
% 1.68/1.21           ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(notdallE, axiom, notdallE =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) =>
% 1.68/1.21       ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) ))).
% 1.68/1.21  thf('8', plain,
% 1.68/1.21      (( notdallE ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ~( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( X6 @ X8 ) ) ) ) =>
% 1.68/1.21           ( ?[X10:$i]: ( ( ~( X6 @ X10 ) ) & ( in @ X10 @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(notdexE, axiom, notdexE =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) =>
% 1.68/1.21       ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('9', plain,
% 1.68/1.21      (( notdexE ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ~( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) ) =>
% 1.68/1.21           ( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( ~( X6 @ X10 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(prop2set2propI, axiom, prop2set2propI =
% 1.68/1.21    (![Xphi:$o]: ( ( Xphi ) => ( set2prop @ ( prop2set @ Xphi ) ) ))).
% 1.68/1.21  thf('10', plain,
% 1.68/1.21      (( prop2set2propI ) =
% 1.68/1.21       ( ![X4:$o]: ( ( X4 ) => ( set2prop @ ( prop2set @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(prop2setI, axiom, prop2setI =
% 1.68/1.21    (![Xphi:$o]: ( ( Xphi ) => ( in @ emptyset @ ( prop2set @ Xphi ) ) ))).
% 1.68/1.21  thf('11', plain,
% 1.68/1.21      (( prop2setI ) =
% 1.68/1.21       ( ![X4:$o]: ( ( X4 ) => ( in @ emptyset @ ( prop2set @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(quantDeMorgan4, axiom, quantDeMorgan4 =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) =>
% 1.68/1.21       ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('12', plain,
% 1.68/1.21      (( quantDeMorgan4 ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ?[X8:$i]: ( ( ~( X6 @ X8 ) ) & ( in @ X8 @ X4 ) ) ) =>
% 1.68/1.21           ( ~( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( X6 @ X10 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(quantDeMorgan3, axiom, quantDeMorgan3 =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) =>
% 1.68/1.21       ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('13', plain,
% 1.68/1.21      (( quantDeMorgan3 ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ~( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) ) =>
% 1.68/1.21           ( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( ~( X6 @ X10 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(quantDeMorgan2, axiom, quantDeMorgan2 =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) =>
% 1.68/1.21       ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) ))).
% 1.68/1.21  thf('14', plain,
% 1.68/1.21      (( quantDeMorgan2 ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( ~( X6 @ X8 ) ) ) ) =>
% 1.68/1.21           ( ~( ?[X10:$i]: ( ( X6 @ X10 ) & ( in @ X10 @ X4 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(quantDeMorgan1, axiom, quantDeMorgan1 =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) =>
% 1.68/1.21       ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) ))).
% 1.68/1.21  thf('15', plain,
% 1.68/1.21      (( quantDeMorgan1 ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ~( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( X6 @ X8 ) ) ) ) =>
% 1.68/1.21           ( ?[X10:$i]: ( ( ~( X6 @ X10 ) ) & ( in @ X10 @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(vacuousDall, axiom, vacuousDall =
% 1.68/1.21    (![Xphi:( $i > $o ),Xx:$i]: ( ( in @ Xx @ emptyset ) => ( Xphi @ Xx ) ))).
% 1.68/1.21  thf('16', plain,
% 1.68/1.21      (( vacuousDall ) =
% 1.68/1.21       ( ![X4:( $i > $o ),X6:$i]: ( ( in @ X6 @ emptyset ) => ( X4 @ X6 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptyE1, axiom, emptyE1 =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o )]:
% 1.68/1.21     ( ( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) =>
% 1.68/1.21       ( ( ( dsetconstr @ A @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) = ( emptyset ) ) =>
% 1.68/1.21         ( $false ) ) ))).
% 1.68/1.21  thf('17', plain,
% 1.68/1.21      (( emptyE1 ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o )]:
% 1.68/1.21         ( ( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) =>
% 1.68/1.21           ( ( ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) = ( emptyset ) ) =>
% 1.68/1.21             ( $false ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(upairsetIR, axiom, upairsetIR =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.68/1.21  thf('18', plain,
% 1.68/1.21      (( upairsetIR ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( in @ X6 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(upairsetIL, axiom, upairsetIL =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.68/1.21  thf('19', plain,
% 1.68/1.21      (( upairsetIL ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( in @ X4 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(upairsetE, axiom, upairsetE =
% 1.68/1.21    (![Xx:$i,Xy:$i,Xz:$i]:
% 1.68/1.21     ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) =>
% 1.68/1.21       ( ( ( Xz ) = ( Xx ) ) | ( ( Xz ) = ( Xy ) ) ) ))).
% 1.68/1.21  thf('20', plain,
% 1.68/1.21      (( upairsetE ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) =>
% 1.68/1.21           ( ( ( X8 ) = ( X4 ) ) | ( ( X8 ) = ( X6 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(singletonsswitch, axiom, singletonsswitch =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) =>
% 1.68/1.21       ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ))).
% 1.68/1.21  thf('21', plain,
% 1.68/1.21      (( singletonsswitch ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) =>
% 1.68/1.21           ( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(eqinunit, axiom, eqinunit =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( ( ( Xx ) = ( Xy ) ) => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.68/1.21  thf('22', plain,
% 1.68/1.21      (( eqinunit ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ( X4 ) = ( X6 ) ) => ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(notinsingleton, axiom, notinsingleton =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( ( ( Xx ) != ( Xy ) ) => ( ~( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ))).
% 1.68/1.21  thf('23', plain,
% 1.68/1.21      (( notinsingleton ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ( X4 ) != ( X6 ) ) =>
% 1.68/1.21           ( ~( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(uniqinunit, axiom, uniqinunit =
% 1.68/1.21    (![Xx:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) => ( ( Xx ) = ( Xy ) ) ))).
% 1.68/1.21  thf('24', plain,
% 1.68/1.21      (( uniqinunit ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) => ( ( X4 ) = ( X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(nonemptyImpWitness, axiom, nonemptyImpWitness =
% 1.68/1.21    (![A:$i]: ( ( nonempty @ A ) => ( ?[Xx:$i]: ( in @ Xx @ A ) ) ))).
% 1.68/1.21  thf('25', plain,
% 1.68/1.21      (( nonemptyImpWitness ) =
% 1.68/1.21       ( ![X4:$i]: ( ( nonempty @ X4 ) => ( ?[X6:$i]: ( in @ X6 @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuE2, axiom, exuE2 =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.68/1.21       ( ?[Xx:$i]: ( ![Xy:$i]: ( ( Xphi @ Xy ) <=> ( ( Xy ) = ( Xx ) ) ) ) ) ))).
% 1.68/1.21  thf('26', plain,
% 1.68/1.21      (( exuE2 ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.68/1.21           ( ?[X6:$i]: ( ![X8:$i]: ( ( X4 @ X8 ) <=> ( ( X8 ) = ( X6 ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(subPowSU, axiom, subPowSU =
% 1.68/1.21    (![A:$i,Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ A ) => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ))).
% 1.68/1.21  thf('27', plain,
% 1.68/1.21      (( subPowSU ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X6 @ X4 ) => ( in @ X6 @ ( powerset @ ( setunion @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setunionE, axiom, setunionE =
% 1.68/1.21    (![A:$i,Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( setunion @ A ) ) =>
% 1.68/1.21       ( ![Xphi:$o]:
% 1.68/1.21         ( ( ![B:$i]: ( ( in @ Xx @ B ) => ( ( in @ B @ A ) => ( Xphi ) ) ) ) =>
% 1.68/1.21           ( Xphi ) ) ) ))).
% 1.68/1.21  thf('28', plain,
% 1.68/1.21      (( setunionE ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X6 @ ( setunion @ X4 ) ) =>
% 1.68/1.21           ( ![X8:$o]:
% 1.68/1.21             ( ( ![X10:$i]:
% 1.68/1.21                 ( ( in @ X6 @ X10 ) => ( ( in @ X10 @ X4 ) => ( X8 ) ) ) ) =>
% 1.68/1.21               ( X8 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setunionI, axiom, setunionI =
% 1.68/1.21    (![A:$i,Xx:$i,B:$i]:
% 1.68/1.21     ( ( in @ Xx @ B ) => ( ( in @ B @ A ) => ( in @ Xx @ ( setunion @ A ) ) ) ))).
% 1.68/1.21  thf('29', plain,
% 1.68/1.21      (( setunionI ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X6 @ X8 ) =>
% 1.68/1.21           ( ( in @ X8 @ X4 ) => ( in @ X6 @ ( setunion @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(powersetE, axiom, powersetE =
% 1.68/1.21    (![A:$i,B:$i,Xx:$i]:
% 1.68/1.21     ( ( in @ B @ ( powerset @ A ) ) => ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ))).
% 1.68/1.21  thf('30', plain,
% 1.68/1.21      (( powersetE ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X6 @ ( powerset @ X4 ) ) =>
% 1.68/1.21           ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptyInPowerset, axiom, emptyInPowerset =
% 1.68/1.21    (![A:$i]: ( in @ emptyset @ ( powerset @ A ) ))).
% 1.68/1.21  thf('31', plain,
% 1.68/1.21      (( emptyInPowerset ) =
% 1.68/1.21       ( ![X4:$i]: ( in @ emptyset @ ( powerset @ X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptyinPowerset, axiom, emptyinPowerset =
% 1.68/1.21    (![A:$i]: ( in @ emptyset @ ( powerset @ A ) ))).
% 1.68/1.21  thf('32', plain,
% 1.68/1.21      (( emptyinPowerset ) =
% 1.68/1.21       ( ![X4:$i]: ( in @ emptyset @ ( powerset @ X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(powersetI, axiom, powersetI =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) =>
% 1.68/1.21       ( in @ B @ ( powerset @ A ) ) ))).
% 1.68/1.21  thf('33', plain,
% 1.68/1.21      (( powersetI ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ![X8:$i]: ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) =>
% 1.68/1.21           ( in @ X6 @ ( powerset @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setoftrueEq, axiom, setoftrueEq =
% 1.68/1.21    (![A:$i]: ( ( dsetconstr @ A @ ( ^[Xx:$i]: ( $true ) ) ) = ( A ) ))).
% 1.68/1.21  thf('34', plain,
% 1.68/1.21      (( setoftrueEq ) =
% 1.68/1.21       ( ![X4:$i]: ( ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( $true ) ) ) = ( X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoinOr, axiom, setadjoinOr =
% 1.68/1.21    (![Xx:$i,A:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) =>
% 1.68/1.21       ( ( ( Xy ) = ( Xx ) ) | ( in @ Xy @ A ) ) ))).
% 1.68/1.21  thf('35', plain,
% 1.68/1.21      (( setadjoinOr ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) =>
% 1.68/1.21           ( ( ( X8 ) = ( X4 ) ) | ( in @ X8 @ X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoinE, axiom, setadjoinE =
% 1.68/1.21    (![Xx:$i,A:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) =>
% 1.68/1.21       ( ![Xphi:$o]:
% 1.68/1.21         ( ( ( ( Xy ) = ( Xx ) ) => ( Xphi ) ) =>
% 1.68/1.21           ( ( ( in @ Xy @ A ) => ( Xphi ) ) => ( Xphi ) ) ) ) ))).
% 1.68/1.21  thf('36', plain,
% 1.68/1.21      (( setadjoinE ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) =>
% 1.68/1.21           ( ![X10:$o]:
% 1.68/1.21             ( ( ( ( X8 ) = ( X4 ) ) => ( X10 ) ) =>
% 1.68/1.21               ( ( ( in @ X8 @ X6 ) => ( X10 ) ) => ( X10 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoinIR, axiom, setadjoinIR =
% 1.68/1.21    (![Xx:$i,A:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xy @ A ) => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ))).
% 1.68/1.21  thf('37', plain,
% 1.68/1.21      (( setadjoinIR ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ X6 ) => ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptyinunitempty, axiom,(( emptyinunitempty  ) =
% 1.68/1.21    (in @ emptyset @ ( setadjoin @ emptyset @ emptyset )))).
% 1.68/1.21  thf('38', plain,
% 1.68/1.21      (( emptyinunitempty ) =
% 1.68/1.21       ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )),
% 1.68/1.21      inference('simplify_rw_rule', [status(thm)], [emptyinunitempty])).
% 1.68/1.21  thf('39', plain,
% 1.68/1.21      (( emptyinunitempty ) =
% 1.68/1.21       ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoinIL, axiom, setadjoinIL =
% 1.68/1.21    (![Xx:$i,Xy:$i]: ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ))).
% 1.68/1.21  thf('40', plain,
% 1.68/1.21      (( setadjoinIL ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]: ( in @ X4 @ ( setadjoin @ X4 @ X6 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(nonemptyI1, axiom, nonemptyI1 =
% 1.68/1.21    (![A:$i]: ( ( ?[Xx:$i]: ( in @ Xx @ A ) ) => ( nonempty @ A ) ))).
% 1.68/1.21  thf('41', plain,
% 1.68/1.21      (( nonemptyI1 ) =
% 1.68/1.21       ( ![X4:$i]: ( ( ?[X6:$i]: ( in @ X6 @ X4 ) ) => ( nonempty @ X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(nonemptyI, axiom, nonemptyI =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ A ) =>
% 1.68/1.21       ( ( Xphi @ Xx ) =>
% 1.68/1.21         ( nonempty @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) ) ))).
% 1.68/1.21  thf('42', plain,
% 1.68/1.21      (( nonemptyI ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ X4 ) =>
% 1.68/1.21           ( ( X6 @ X8 ) =>
% 1.68/1.21             ( nonempty @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(nonemptyE1, axiom, nonemptyE1 =
% 1.68/1.21    (![A:$i]: ( ( nonempty @ A ) => ( ?[Xx:$i]: ( in @ Xx @ A ) ) ))).
% 1.68/1.21  thf('43', plain,
% 1.68/1.21      (( nonemptyE1 ) =
% 1.68/1.21       ( ![X4:$i]: ( ( nonempty @ X4 ) => ( ?[X6:$i]: ( in @ X6 @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(nonempty, axiom,(( nonempty  ) = (^[Xx:$i]: ( ( Xx ) != ( emptyset ) )))).
% 1.68/1.21  thf('44', plain, (( nonempty ) = ( ^[Xx:$i]: ( ( Xx ) != ( emptyset ) ) )),
% 1.68/1.21      inference('simplify_rw_rule', [status(thm)], [nonempty])).
% 1.68/1.21  thf('45', plain, (( nonempty ) = ( ^[V_1:$i]: ( ( V_1 ) != ( emptyset ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setbeta, axiom, setbeta =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ A ) =>
% 1.68/1.21       ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) <=>
% 1.68/1.21         ( Xphi @ Xx ) ) ))).
% 1.68/1.21  thf('46', plain,
% 1.68/1.21      (( setbeta ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ X4 ) =>
% 1.68/1.21           ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) <=>
% 1.68/1.21             ( X6 @ X8 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(noeltsimpempty, axiom, noeltsimpempty =
% 1.68/1.21    (![A:$i]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ~( in @ Xx @ A ) ) ) => ( ( A ) = ( emptyset ) ) ))).
% 1.68/1.21  thf('47', plain,
% 1.68/1.21      (( noeltsimpempty ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ( ![X6:$i]: ( ~( in @ X6 @ X4 ) ) ) => ( ( X4 ) = ( emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptyI, axiom, emptyI =
% 1.68/1.21    (![A:$i]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ~( in @ Xx @ A ) ) ) => ( ( A ) = ( emptyset ) ) ))).
% 1.68/1.21  thf('48', plain,
% 1.68/1.21      (( emptyI ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ( ![X6:$i]: ( ~( in @ X6 @ X4 ) ) ) => ( ( X4 ) = ( emptyset ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setext, axiom, setext =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( in @ Xx @ B ) ) ) =>
% 1.68/1.21       ( ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) =>
% 1.68/1.21         ( ( A ) = ( B ) ) ) ))).
% 1.68/1.21  thf('49', plain,
% 1.68/1.21      (( setext ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( in @ X8 @ X6 ) ) ) =>
% 1.68/1.21           ( ( ![X10:$i]: ( ( in @ X10 @ X6 ) => ( in @ X10 @ X4 ) ) ) =>
% 1.68/1.21             ( ( X4 ) = ( X6 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuE3e, axiom, exuE3e =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) => ( ?[Xx:$i]: ( Xphi @ Xx ) ) ))).
% 1.68/1.21  thf('50', plain,
% 1.68/1.21      (( exuE3e ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) => ( ?[X6:$i]: ( X4 @ X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(notinemptyset, axiom, notinemptyset =
% 1.68/1.21    (![Xx:$i]: ( ~( in @ Xx @ emptyset ) ))).
% 1.68/1.21  thf('51', plain,
% 1.68/1.21      (( notinemptyset ) = ( ![X4:$i]: ( ~( in @ X4 @ emptyset ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptysetimpfalse, axiom, emptysetimpfalse =
% 1.68/1.21    (![Xx:$i]: ( ( in @ Xx @ emptyset ) => ( $false ) ))).
% 1.68/1.21  thf('52', plain,
% 1.68/1.21      (( emptysetimpfalse ) =
% 1.68/1.21       ( ![X4:$i]: ( ( in @ X4 @ emptyset ) => ( $false ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptysetE, axiom, emptysetE =
% 1.68/1.21    (![Xx:$i]: ( ( in @ Xx @ emptyset ) => ( ![Xphi:$o]: ( Xphi ) ) ))).
% 1.68/1.21  thf('53', plain,
% 1.68/1.21      (( emptysetE ) =
% 1.68/1.21       ( ![X4:$i]: ( ( in @ X4 @ emptyset ) => ( ![X6:$o]: ( X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(prop2setE, axiom, prop2setE =
% 1.68/1.21    (![Xphi:$o,Xx:$i]: ( ( in @ Xx @ ( prop2set @ Xphi ) ) => ( Xphi ) ))).
% 1.68/1.21  thf('54', plain,
% 1.68/1.21      (( prop2setE ) =
% 1.68/1.21       ( ![X4:$o,X6:$i]: ( ( in @ X6 @ ( prop2set @ X4 ) ) => ( X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exuE1, axiom, exuE1 =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.68/1.21       ( ?[Xx:$i]:
% 1.68/1.21         ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.68/1.21           ( Xphi @ Xx ) ) ) ))).
% 1.68/1.21  thf('55', plain,
% 1.68/1.21      (( exuE1 ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.68/1.21           ( ?[X6:$i]:
% 1.68/1.21             ( ( ![X8:$i]: ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) & 
% 1.68/1.21               ( X4 @ X6 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(dsetconstrER, axiom, dsetconstrER =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.68/1.21       ( Xphi @ Xx ) ))).
% 1.68/1.21  thf('56', plain,
% 1.68/1.21      (( dsetconstrER ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.68/1.21           ( X6 @ X8 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(dsetconstrEL, axiom, dsetconstrEL =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.68/1.21       ( in @ Xx @ A ) ))).
% 1.68/1.21  thf('57', plain,
% 1.68/1.21      (( dsetconstrEL ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.68/1.21           ( in @ X8 @ X4 ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(dsetconstrI, axiom, dsetconstrI =
% 1.68/1.21    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ A ) =>
% 1.68/1.21       ( ( Xphi @ Xx ) =>
% 1.68/1.21         ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) ) ))).
% 1.68/1.21  thf('58', plain,
% 1.68/1.21      (( dsetconstrI ) =
% 1.68/1.21       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ X4 ) =>
% 1.68/1.21           ( ( X6 @ X8 ) =>
% 1.68/1.21             ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(descrp, axiom, descrp =
% 1.68/1.21    (![Xphi:( $i > $o )]:
% 1.68/1.21     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.68/1.21       ( Xphi @ ( descr @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ) ))).
% 1.68/1.21  thf('59', plain,
% 1.68/1.21      (( descrp ) =
% 1.68/1.21       ( ![X4:( $i > $o )]:
% 1.68/1.21         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.68/1.21           ( X4 @ ( descr @ ( ^[V_2:$i]: ( X4 @ V_2 ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(wellorderingAx, axiom, wellorderingAx =
% 1.68/1.21    (![A:$i]:
% 1.68/1.21     ( ?[B:$i]:
% 1.68/1.21       ( ( ![C:$i]:
% 1.68/1.21           ( ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) & 
% 1.68/1.21               ( ?[Xx:$i]: ( in @ Xx @ C ) ) ) =>
% 1.68/1.21             ( ?[D:$i,Xx:$i]:
% 1.68/1.21               ( ( ![E:$i]:
% 1.68/1.21                   ( ( in @ E @ B ) =>
% 1.68/1.21                     ( ( ![Xy:$i]: ( ( in @ Xy @ E ) => ( in @ Xy @ D ) ) ) | 
% 1.68/1.21                       ( in @ Xx @ E ) ) ) ) & 
% 1.68/1.21                 ( ~( ?[Xy:$i]: ( ( in @ Xy @ C ) & ( in @ Xy @ D ) ) ) ) & 
% 1.68/1.21                 ( in @ Xx @ C ) & ( in @ D @ B ) ) ) ) ) & 
% 1.68/1.21         ( ![C:$i,D:$i]:
% 1.68/1.21           ( ( ( in @ C @ B ) & ( in @ D @ B ) ) =>
% 1.68/1.21             ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ D ) ) ) | 
% 1.68/1.21               ( ![Xx:$i]: ( ( in @ Xx @ D ) => ( in @ Xx @ C ) ) ) ) ) ) & 
% 1.68/1.21         ( ![Xx:$i,Xy:$i]:
% 1.68/1.21           ( ( ( in @ Xx @ A ) & ( in @ Xy @ A ) ) =>
% 1.68/1.21             ( ( ![C:$i]:
% 1.68/1.21                 ( ( in @ C @ B ) => ( ( in @ Xx @ C ) <=> ( in @ Xy @ C ) ) ) ) =>
% 1.68/1.21               ( ( Xx ) = ( Xy ) ) ) ) ) & 
% 1.68/1.21         ( ![C:$i]:
% 1.68/1.21           ( ( in @ C @ B ) =>
% 1.68/1.21             ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) ) ) ) ))).
% 1.68/1.21  thf('60', plain,
% 1.68/1.21      (( wellorderingAx ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ?[X6:$i]:
% 1.68/1.21           ( ( ![X8:$i]:
% 1.68/1.21               ( ( ( ![X10:$i]: ( ( in @ X10 @ X8 ) => ( in @ X10 @ X4 ) ) ) & 
% 1.68/1.21                   ( ?[X12:$i]: ( in @ X12 @ X8 ) ) ) =>
% 1.68/1.21                 ( ?[X14:$i,X16:$i]:
% 1.68/1.21                   ( ( ![X18:$i]:
% 1.68/1.21                       ( ( in @ X18 @ X6 ) =>
% 1.68/1.21                         ( ( ![X20:$i]:
% 1.68/1.21                             ( ( in @ X20 @ X18 ) => ( in @ X20 @ X14 ) ) ) | 
% 1.68/1.21                           ( in @ X16 @ X18 ) ) ) ) & 
% 1.68/1.21                     ( ~( ?[X22:$i]: ( ( in @ X22 @ X8 ) & ( in @ X22 @ X14 ) ) ) ) & 
% 1.68/1.21                     ( in @ X16 @ X8 ) & ( in @ X14 @ X6 ) ) ) ) ) & 
% 1.68/1.21             ( ![X24:$i,X26:$i]:
% 1.68/1.21               ( ( ( in @ X24 @ X6 ) & ( in @ X26 @ X6 ) ) =>
% 1.68/1.21                 ( ( ![X28:$i]: ( ( in @ X28 @ X24 ) => ( in @ X28 @ X26 ) ) ) | 
% 1.68/1.21                   ( ![X30:$i]: ( ( in @ X30 @ X26 ) => ( in @ X30 @ X24 ) ) ) ) ) ) & 
% 1.68/1.21             ( ![X32:$i,X34:$i]:
% 1.68/1.21               ( ( ( in @ X32 @ X4 ) & ( in @ X34 @ X4 ) ) =>
% 1.68/1.21                 ( ( ![X36:$i]:
% 1.68/1.21                     ( ( in @ X36 @ X6 ) =>
% 1.68/1.21                       ( ( in @ X32 @ X36 ) <=> ( in @ X34 @ X36 ) ) ) ) =>
% 1.68/1.21                   ( ( X32 ) = ( X34 ) ) ) ) ) & 
% 1.68/1.21             ( ![X38:$i]:
% 1.68/1.21               ( ( in @ X38 @ X6 ) =>
% 1.68/1.21                 ( ![X40:$i]: ( ( in @ X40 @ X38 ) => ( in @ X40 @ X4 ) ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(foundationAx, axiom, foundationAx =
% 1.68/1.21    (![A:$i]:
% 1.68/1.21     ( ( ?[Xx:$i]: ( in @ Xx @ A ) ) =>
% 1.68/1.21       ( ?[B:$i]:
% 1.68/1.21         ( ( ~( ?[Xx:$i]: ( ( in @ Xx @ A ) & ( in @ Xx @ B ) ) ) ) & 
% 1.68/1.21           ( in @ B @ A ) ) ) ))).
% 1.68/1.21  thf('61', plain,
% 1.68/1.21      (( foundationAx ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ( ?[X6:$i]: ( in @ X6 @ X4 ) ) =>
% 1.68/1.21           ( ?[X8:$i]:
% 1.68/1.21             ( ( ~( ?[X10:$i]: ( ( in @ X10 @ X4 ) & ( in @ X10 @ X8 ) ) ) ) & 
% 1.68/1.21               ( in @ X8 @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(replAx, axiom, replAx =
% 1.68/1.21    (![Xphi:( $i > $i > $o ),A:$i]:
% 1.68/1.21     ( ( ![Xx:$i]:
% 1.68/1.21         ( ( in @ Xx @ A ) => ( exu @ ( ^[Xy:$i]: ( Xphi @ Xx @ Xy ) ) ) ) ) =>
% 1.68/1.21       ( ?[B:$i]:
% 1.68/1.21         ( ![Xx:$i]:
% 1.68/1.21           ( ( in @ Xx @ B ) <=>
% 1.68/1.21             ( ?[Xy:$i]: ( ( Xphi @ Xy @ Xx ) & ( in @ Xy @ A ) ) ) ) ) ) ))).
% 1.68/1.21  thf('62', plain,
% 1.68/1.21      (( replAx ) =
% 1.68/1.21       ( ![X4:( $i > $i > $o ),X6:$i]:
% 1.68/1.21         ( ( ![X8:$i]:
% 1.68/1.21             ( ( in @ X8 @ X6 ) => ( exu @ ( ^[V_1:$i]: ( X4 @ X8 @ V_1 ) ) ) ) ) =>
% 1.68/1.21           ( ?[X10:$i]:
% 1.68/1.21             ( ![X12:$i]:
% 1.68/1.21               ( ( in @ X12 @ X10 ) <=>
% 1.68/1.21                 ( ?[X14:$i]: ( ( X4 @ X14 @ X12 ) & ( in @ X14 @ X6 ) ) ) ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(omegaIndAx, axiom, omegaIndAx =
% 1.68/1.21    (![A:$i]:
% 1.68/1.21     ( ( ( in @ emptyset @ A ) & 
% 1.68/1.21         ( ![Xx:$i]:
% 1.68/1.21           ( ( ( in @ Xx @ omega ) & ( in @ Xx @ A ) ) =>
% 1.68/1.21             ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) ) ) =>
% 1.68/1.21       ( ![Xx:$i]: ( ( in @ Xx @ omega ) => ( in @ Xx @ A ) ) ) ))).
% 1.68/1.21  thf('63', plain,
% 1.68/1.21      (( omegaIndAx ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ( ( in @ emptyset @ X4 ) & 
% 1.68/1.21             ( ![X6:$i]:
% 1.68/1.21               ( ( ( in @ X6 @ omega ) & ( in @ X6 @ X4 ) ) =>
% 1.68/1.21                 ( in @ ( setadjoin @ X6 @ X6 ) @ X4 ) ) ) ) =>
% 1.68/1.21           ( ![X8:$i]: ( ( in @ X8 @ omega ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(omegaSAx, axiom, omegaSAx =
% 1.68/1.21    (![Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ omega ) => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ))).
% 1.68/1.21  thf('64', plain,
% 1.68/1.21      (( omegaSAx ) =
% 1.68/1.21       ( ![X4:$i]:
% 1.68/1.21         ( ( in @ X4 @ omega ) => ( in @ ( setadjoin @ X4 @ X4 ) @ omega ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(omega0Ax, axiom,(( omega0Ax  ) = (in @ emptyset @ omega))).
% 1.68/1.21  thf('65', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.68/1.21      inference('simplify_rw_rule', [status(thm)], [omega0Ax])).
% 1.68/1.21  thf('66', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setunionAx, axiom, setunionAx =
% 1.68/1.21    (![A:$i,Xx:$i]:
% 1.68/1.21     ( ( in @ Xx @ ( setunion @ A ) ) <=>
% 1.68/1.21       ( ?[B:$i]: ( ( in @ B @ A ) & ( in @ Xx @ B ) ) ) ))).
% 1.68/1.21  thf('67', plain,
% 1.68/1.21      (( setunionAx ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X6 @ ( setunion @ X4 ) ) <=>
% 1.68/1.21           ( ?[X8:$i]: ( ( in @ X8 @ X4 ) & ( in @ X6 @ X8 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(powersetAx, axiom, powersetAx =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( in @ B @ ( powerset @ A ) ) <=>
% 1.68/1.21       ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) ))).
% 1.68/1.21  thf('68', plain,
% 1.68/1.21      (( powersetAx ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( in @ X6 @ ( powerset @ X4 ) ) <=>
% 1.68/1.21           ( ![X8:$i]: ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoinAx, axiom, setadjoinAx =
% 1.68/1.21    (![Xx:$i,A:$i,Xy:$i]:
% 1.68/1.21     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) <=>
% 1.68/1.21       ( ( ( Xy ) = ( Xx ) ) | ( in @ Xy @ A ) ) ))).
% 1.68/1.21  thf('69', plain,
% 1.68/1.21      (( setadjoinAx ) =
% 1.68/1.21       ( ![X4:$i,X6:$i,X8:$i]:
% 1.68/1.21         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) <=>
% 1.68/1.21           ( ( ( X8 ) = ( X4 ) ) | ( in @ X8 @ X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(emptysetAx, axiom, emptysetAx = (![Xx:$i]: ( ~( in @ Xx @ emptyset ) ))).
% 1.68/1.21  thf('70', plain,
% 1.68/1.21      (( emptysetAx ) = ( ![X4:$i]: ( ~( in @ X4 @ emptyset ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setextAx, axiom, setextAx =
% 1.68/1.21    (![A:$i,B:$i]:
% 1.68/1.21     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) <=> ( in @ Xx @ B ) ) ) =>
% 1.68/1.21       ( ( A ) = ( B ) ) ))).
% 1.68/1.21  thf('71', plain,
% 1.68/1.21      (( setextAx ) =
% 1.68/1.21       ( ![X4:$i,X6:$i]:
% 1.68/1.21         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.68/1.21           ( ( X4 ) = ( X6 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(exu, axiom,(( exu  ) =
% 1.68/1.21    (^[Xphi:( $i > $o )]:
% 1.68/1.21     ( ?[Xx:$i]:
% 1.68/1.21       ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & ( Xphi @ Xx ) ) )))).
% 1.68/1.21  thf('72', plain,
% 1.68/1.21      (( exu ) =
% 1.68/1.21       ( ^[Xphi:( $i > $o )]:
% 1.68/1.21         ( ?[Xx:$i]:
% 1.68/1.21           ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.68/1.21             ( Xphi @ Xx ) ) ) )),
% 1.68/1.21      inference('simplify_rw_rule', [status(thm)], [exu])).
% 1.68/1.21  thf('73', plain,
% 1.68/1.21      (( exu ) =
% 1.68/1.21       ( ^[V_1:( $i > $o )]:
% 1.68/1.21         ( ?[X4:$i]:
% 1.68/1.21           ( ( ![X6:$i]: ( ( V_1 @ X6 ) => ( ( X4 ) = ( X6 ) ) ) ) & 
% 1.68/1.21             ( V_1 @ X4 ) ) ) )),
% 1.68/1.21      define([status(thm)])).
% 1.68/1.21  thf(setadjoin__Cong, conjecture,
% 1.68/1.21    (( setextAx ) =>
% 1.68/1.21     ( ( emptysetAx ) =>
% 1.68/1.21       ( ( setadjoinAx ) =>
% 1.68/1.21         ( ( powersetAx ) =>
% 1.68/1.21           ( ( setunionAx ) =>
% 1.68/1.21             ( ( omega0Ax ) =>
% 1.68/1.21               ( ( omegaSAx ) =>
% 1.68/1.21                 ( ( omegaIndAx ) =>
% 1.68/1.21                   ( ( replAx ) =>
% 1.68/1.21                     ( ( foundationAx ) =>
% 1.68/1.21                       ( ( wellorderingAx ) =>
% 1.68/1.21                         ( ( descrp ) =>
% 1.68/1.21                           ( ( dsetconstrI ) =>
% 1.68/1.21                             ( ( dsetconstrEL ) =>
% 1.68/1.21                               ( ( dsetconstrER ) =>
% 1.68/1.21                                 ( ( exuE1 ) =>
% 1.68/1.21                                   ( ( prop2setE ) =>
% 1.68/1.21                                     ( ( emptysetE ) =>
% 1.68/1.21                                       ( ( emptysetimpfalse ) =>
% 1.68/1.21                                         ( ( notinemptyset ) =>
% 1.68/1.21                                           ( ( exuE3e ) =>
% 1.68/1.21                                             ( ( setext ) =>
% 1.68/1.21                                               ( ( emptyI ) =>
% 1.68/1.21                                                 ( ( noeltsimpempty ) =>
% 1.68/1.21                                                   ( ( setbeta ) =>
% 1.68/1.21                                                     ( ( nonemptyE1 ) =>
% 1.68/1.21                                                       ( ( nonemptyI ) =>
% 1.68/1.21                                                         ( ( nonemptyI1 ) =>
% 1.68/1.21                                                           ( ( setadjoinIL ) =>
% 1.68/1.21                                                             ( ( emptyinunitempty ) =>
% 1.68/1.21                                                               ( ( setadjoinIR ) =>
% 1.68/1.21                                                                 ( ( setadjoinE ) =>
% 1.68/1.21                                                                   ( ( 
% 1.68/1.21                                                                     setadjoinOr ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setoftrueEq ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powersetI ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyinPowerset ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyInPowerset ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powersetE ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setunionI ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setunionE ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     subPowSU ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exuE2 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     nonemptyImpWitness ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     uniqinunit ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     notinsingleton ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     eqinunit ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     singletonsswitch ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     upairsetE ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     upairsetIL ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     upairsetIR ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyE1 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     vacuousDall ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     quantDeMorgan1 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     quantDeMorgan2 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     quantDeMorgan3 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     quantDeMorgan4 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     prop2setI ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     prop2set2propI ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     notdexE ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     notdallE ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exuI1 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exuI3 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exuI2 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     inCongP ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in__Cong ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exuE3u ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     exu__Cong ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyset__Cong ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     Xx:$i,
% 1.68/1.21                                                                     Xy:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     Xx ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     Xy ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     Xz:$i,
% 1.68/1.21                                                                     Xu:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     Xz ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     Xu ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @ 
% 1.68/1.21                                                                     Xx @ Xz ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @ 
% 1.68/1.21                                                                     Xy @ Xu ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.68/1.21  thf(zf_stmt_0, conjecture,
% 1.68/1.21    (( ![X4:$i,X6:$i]:
% 1.68/1.21       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.68/1.21         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.68/1.21     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.68/1.21       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.68/1.21           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.68/1.21             ( ( in @ X16 @ X14 ) | ( ( X16 ) = ( X12 ) ) ) ) ) =>
% 1.68/1.21         ( ( ![X18:$i,X20:$i]:
% 1.68/1.21             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.68/1.21               ( ![X22:$i]: ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ) ) ) =>
% 1.68/1.21           ( ( ![X24:$i,X26:$i]:
% 1.68/1.21               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.68/1.21                 ( ?[X28:$i]: ( ( in @ X26 @ X28 ) & ( in @ X28 @ X24 ) ) ) ) ) =>
% 1.68/1.21             ( ( in @ emptyset @ omega ) =>
% 1.68/1.21               ( ( ![X30:$i]:
% 1.68/1.21                   ( ( in @ X30 @ omega ) =>
% 1.68/1.21                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.68/1.21                 ( ( ![X32:$i]:
% 1.68/1.21                     ( ( ( ![X34:$i]:
% 1.68/1.21                           ( ( ( in @ X34 @ X32 ) & ( in @ X34 @ omega ) ) =>
% 1.68/1.21                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) & 
% 1.68/1.21                         ( in @ emptyset @ X32 ) ) =>
% 1.68/1.21                       ( ![X36:$i]:
% 1.68/1.21                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.68/1.21                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.68/1.21                       ( ( ![X42:$i]:
% 1.68/1.21                           ( ( in @ X42 @ X40 ) =>
% 1.68/1.21                             ( ?[X44:$i]:
% 1.68/1.21                               ( ( X38 @ X42 @ X44 ) & 
% 1.68/1.21                                 ( ![X46:$i]:
% 1.68/1.21                                   ( ( X38 @ X42 @ X46 ) =>
% 1.68/1.21                                     ( ( X44 ) = ( X46 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                         ( ?[X48:$i]:
% 1.68/1.21                           ( ![X50:$i]:
% 1.68/1.21                             ( ( in @ X50 @ X48 ) <=>
% 1.68/1.21                               ( ?[X52:$i]:
% 1.68/1.21                                 ( ( in @ X52 @ X40 ) & ( X38 @ X52 @ X50 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                     ( ( ![X54:$i]:
% 1.68/1.21                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.68/1.21                           ( ?[X58:$i]:
% 1.68/1.21                             ( ( in @ X58 @ X54 ) & 
% 1.68/1.21                               ( ~( ?[X60:$i]:
% 1.68/1.21                                    ( ( in @ X60 @ X58 ) & ( in @ X60 @ X54 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                       ( ( ![X62:$i]:
% 1.68/1.21                           ( ?[X64:$i]:
% 1.68/1.21                             ( ( ![X96:$i]:
% 1.68/1.21                                 ( ( in @ X96 @ X64 ) =>
% 1.68/1.21                                   ( ![X98:$i]:
% 1.68/1.21                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) & 
% 1.68/1.21                               ( ![X90:$i,X92:$i]:
% 1.68/1.21                                 ( ( ( in @ X92 @ X62 ) & ( in @ X90 @ X62 ) ) =>
% 1.68/1.21                                   ( ( ![X94:$i]:
% 1.68/1.21                                       ( ( in @ X94 @ X64 ) =>
% 1.68/1.21                                         ( ( in @ X90 @ X94 ) <=>
% 1.68/1.21                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.68/1.21                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.68/1.21                               ( ![X82:$i,X84:$i]:
% 1.68/1.21                                 ( ( ( in @ X84 @ X64 ) & ( in @ X82 @ X64 ) ) =>
% 1.68/1.21                                   ( ( ![X88:$i]:
% 1.68/1.21                                       ( ( in @ X88 @ X84 ) =>
% 1.68/1.21                                         ( in @ X88 @ X82 ) ) ) | 
% 1.68/1.21                                     ( ![X86:$i]:
% 1.68/1.21                                       ( ( in @ X86 @ X82 ) =>
% 1.68/1.21                                         ( in @ X86 @ X84 ) ) ) ) ) ) & 
% 1.68/1.21                               ( ![X66:$i]:
% 1.68/1.21                                 ( ( ( ?[X70:$i]: ( in @ X70 @ X66 ) ) & 
% 1.68/1.21                                     ( ![X68:$i]:
% 1.68/1.21                                       ( ( in @ X68 @ X66 ) =>
% 1.68/1.21                                         ( in @ X68 @ X62 ) ) ) ) =>
% 1.68/1.21                                   ( ?[X72:$i,X74:$i]:
% 1.68/1.21                                     ( ( in @ X72 @ X64 ) & 
% 1.68/1.21                                       ( in @ X74 @ X66 ) & 
% 1.68/1.21                                       ( ~( ?[X80:$i]:
% 1.68/1.21                                            ( ( in @ X80 @ X72 ) & 
% 1.68/1.21                                              ( in @ X80 @ X66 ) ) ) ) & 
% 1.68/1.21                                       ( ![X76:$i]:
% 1.68/1.21                                         ( ( in @ X76 @ X64 ) =>
% 1.68/1.21                                           ( ( in @ X74 @ X76 ) | 
% 1.68/1.21                                             ( ![X78:$i]:
% 1.68/1.21                                               ( ( in @ X78 @ X76 ) =>
% 1.68/1.21                                                 ( in @ X78 @ X72 ) ) ) ) ) ) ) ) ) ) ) ) ) =>
% 1.68/1.21                         ( ( ![X100:( $i > $o )]:
% 1.68/1.21                             ( ( ?[X102:$i]:
% 1.68/1.21                                 ( ( X100 @ X102 ) & 
% 1.68/1.21                                   ( ![X104:$i]:
% 1.68/1.21                                     ( ( X100 @ X104 ) =>
% 1.68/1.21                                       ( ( X102 ) = ( X104 ) ) ) ) ) ) =>
% 1.68/1.21                               ( X100 @
% 1.68/1.21                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.68/1.21                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.68/1.21                               ( ( in @ X110 @ X106 ) =>
% 1.68/1.21                                 ( ( X108 @ X110 ) =>
% 1.68/1.21                                   ( in @
% 1.68/1.21                                     X110 @ 
% 1.68/1.21                                     ( dsetconstr @
% 1.68/1.21                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.68/1.21                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.68/1.21                                 ( ( in @
% 1.68/1.21                                     X116 @ 
% 1.68/1.21                                     ( dsetconstr @
% 1.68/1.21                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.68/1.21                                   ( in @ X116 @ X112 ) ) ) =>
% 1.68/1.21                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.68/1.21                                   ( ( in @
% 1.68/1.21                                       X122 @ 
% 1.68/1.21                                       ( dsetconstr @
% 1.68/1.21                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.68/1.21                                     ( X120 @ X122 ) ) ) =>
% 1.68/1.21                                 ( ( ![X124:( $i > $o )]:
% 1.68/1.21                                     ( ( ?[X126:$i]:
% 1.68/1.21                                         ( ( X124 @ X126 ) & 
% 1.68/1.21                                           ( ![X128:$i]:
% 1.68/1.21                                             ( ( X124 @ X128 ) =>
% 1.68/1.21                                               ( ( X126 ) = ( X128 ) ) ) ) ) ) =>
% 1.68/1.21                                       ( ?[X130:$i]:
% 1.68/1.21                                         ( ( X124 @ X130 ) & 
% 1.68/1.21                                           ( ![X132:$i]:
% 1.68/1.21                                             ( ( X124 @ X132 ) =>
% 1.68/1.21                                               ( ( X130 ) = ( X132 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                                   ( ( ![X134:$o,X136:$i]:
% 1.68/1.21                                       ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.68/1.21                                         ( X134 ) ) ) =>
% 1.68/1.21                                     ( ( ![X138:$i]:
% 1.68/1.21                                         ( ( in @ X138 @ emptyset ) =>
% 1.68/1.21                                           ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.68/1.21                                       ( ( ![X142:$i]:
% 1.68/1.21                                           ( ( in @ X142 @ emptyset ) =>
% 1.68/1.21                                             ( $false ) ) ) =>
% 1.68/1.21                                         ( ( ![X144:$i]:
% 1.68/1.21                                             ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.68/1.21                                           ( ( ![X146:( $i > $o )]:
% 1.68/1.21                                               ( ( ?[X148:$i]:
% 1.68/1.21                                                   ( ( X146 @ X148 ) & 
% 1.68/1.21                                                     ( ![X150:$i]:
% 1.68/1.21                                                       ( ( X146 @ X150 ) =>
% 1.68/1.21                                                         ( ( X148 ) = ( X150 ) ) ) ) ) ) =>
% 1.68/1.21                                                 ( ?[X152:$i]: ( X146 @ X152 ) ) ) ) =>
% 1.68/1.21                                             ( ( ![X154:$i,X156:$i]:
% 1.68/1.21                                                 ( ( ![X158:$i]:
% 1.68/1.21                                                     ( ( in @ X158 @ X154 ) =>
% 1.68/1.21                                                       ( in @ X158 @ X156 ) ) ) =>
% 1.68/1.21                                                   ( ( ![X160:$i]:
% 1.68/1.21                                                       ( ( in @ X160 @ X156 ) =>
% 1.68/1.21                                                         ( in @ X160 @ X154 ) ) ) =>
% 1.68/1.21                                                     ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.68/1.21                                               ( ( ![X162:$i]:
% 1.68/1.21                                                   ( ( ![X164:$i]:
% 1.68/1.21                                                       ( ~( in @ X164 @ X162 ) ) ) =>
% 1.68/1.21                                                     ( ( X162 ) = ( emptyset ) ) ) ) =>
% 1.68/1.21                                                 ( ( ![X166:$i]:
% 1.68/1.21                                                     ( ( ![X168:$i]:
% 1.68/1.21                                                         ( ~( in @ X168 @ X166 ) ) ) =>
% 1.68/1.21                                                       ( ( X166 ) =
% 1.68/1.21                                                         ( emptyset ) ) ) ) =>
% 1.68/1.21                                                   ( ( ![X170:$i,
% 1.68/1.21                                                         X172:( $i > $o ),
% 1.68/1.21                                                         X174:$i]:
% 1.68/1.21                                                       ( ( in @ X174 @ X170 ) =>
% 1.68/1.21                                                         ( ( in @
% 1.68/1.21                                                             X174 @ 
% 1.68/1.21                                                             ( dsetconstr @
% 1.68/1.21                                                               X170 @ 
% 1.68/1.21                                                               ( ^[V_5:$i]:
% 1.68/1.21                                                                 ( X172 @ V_5 ) ) ) ) <=>
% 1.68/1.21                                                           ( X172 @ X174 ) ) ) ) =>
% 1.68/1.21                                                     ( ( ![X176:$i]:
% 1.68/1.21                                                         ( ( ( X176 ) !=
% 1.68/1.21                                                             ( emptyset ) ) =>
% 1.68/1.21                                                           ( ?[X178:$i]:
% 1.68/1.21                                                             ( in @ X178 @ X176 ) ) ) ) =>
% 1.68/1.21                                                       ( ( ![X180:$i,
% 1.68/1.21                                                             X182:( $i > $o ),
% 1.68/1.21                                                             X184:$i]:
% 1.68/1.21                                                           ( ( in @ X184 @ X180 ) =>
% 1.68/1.21                                                             ( ( X182 @ X184 ) =>
% 1.68/1.21                                                               ( ( dsetconstr @
% 1.68/1.21                                                                   X180 @ 
% 1.68/1.21                                                                   ( ^[
% 1.68/1.21                                                                     V_6:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X182 @ V_6 ) ) ) !=
% 1.68/1.21                                                                 ( emptyset ) ) ) ) ) =>
% 1.68/1.21                                                         ( ( ![X186:$i]:
% 1.68/1.21                                                             ( ( ?[X188:$i]:
% 1.68/1.21                                                                 ( in @
% 1.68/1.21                                                                   X188 @ X186 ) ) =>
% 1.68/1.21                                                               ( ( X186 ) !=
% 1.68/1.21                                                                 ( emptyset ) ) ) ) =>
% 1.68/1.21                                                           ( ( ![X190:$i,
% 1.68/1.21                                                                 X192:$i]:
% 1.68/1.21                                                               ( in @
% 1.68/1.21                                                                 X190 @ 
% 1.68/1.21                                                                 ( setadjoin @
% 1.68/1.21                                                                   X190 @ X192 ) ) ) =>
% 1.68/1.21                                                             ( ( in @
% 1.68/1.21                                                                 emptyset @ 
% 1.68/1.21                                                                 ( setadjoin @
% 1.68/1.21                                                                   emptyset @ 
% 1.68/1.21                                                                   emptyset ) ) =>
% 1.68/1.21                                                               ( ( ![X194:$i,
% 1.68/1.21                                                                     X196:$i,
% 1.68/1.21                                                                     X198:$i]:
% 1.68/1.21                                                                   ( ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X198 @ 
% 1.68/1.21                                                                     X196 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X198 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X194 @ 
% 1.68/1.21                                                                     X196 ) ) ) ) =>
% 1.68/1.21                                                                 ( ( ![
% 1.68/1.21                                                                     X200:$i,
% 1.68/1.21                                                                     X202:$i,
% 1.68/1.21                                                                     X204:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X204 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X200 @ 
% 1.68/1.21                                                                     X202 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X206:$o]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X204 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X200 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X206 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X204 @ 
% 1.68/1.21                                                                     X202 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X206 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X206 ) ) ) ) ) ) =>
% 1.68/1.21                                                                   ( ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X208:$i,
% 1.68/1.21                                                                     X210:$i,
% 1.68/1.21                                                                     X212:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X212 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X208 @ 
% 1.68/1.21                                                                     X210 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X212 @ 
% 1.68/1.21                                                                     X210 ) | 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X212 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X208 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X214:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     dsetconstr
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X214 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ^[
% 1.68/1.21                                                                     V_7:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     $true ) ) ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X214 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X216:$i,
% 1.68/1.21                                                                     X218:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X220:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X220 @ 
% 1.68/1.21                                                                     X218 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X220 @ 
% 1.68/1.21                                                                     X216 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X218 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powerset @
% 1.68/1.21                                                                     X216 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X222:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     emptyset @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powerset @
% 1.68/1.21                                                                     X222 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X224:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     emptyset @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powerset @
% 1.68/1.21                                                                     X224 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X226:$i,
% 1.68/1.21                                                                     X228:$i,
% 1.68/1.21                                                                     X230:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X228 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powerset @
% 1.68/1.21                                                                     X226 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X230 @ 
% 1.68/1.21                                                                     X228 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X230 @ 
% 1.68/1.21                                                                     X226 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X232:$i,
% 1.68/1.21                                                                     X234:$i,
% 1.68/1.21                                                                     X236:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X234 @ 
% 1.68/1.21                                                                     X236 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X236 @ 
% 1.68/1.21                                                                     X232 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X234 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setunion @
% 1.68/1.21                                                                     X232 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X238:$i,
% 1.68/1.21                                                                     X240:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X240 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setunion @
% 1.68/1.21                                                                     X238 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X242:$o]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X244:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X240 @ 
% 1.68/1.21                                                                     X244 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X244 @ 
% 1.68/1.21                                                                     X238 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X242 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X242 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X246:$i,
% 1.68/1.21                                                                     X248:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X248 @ 
% 1.68/1.21                                                                     X246 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X248 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     powerset @
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setunion @
% 1.68/1.21                                                                     X246 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X250:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X252:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X250 @
% 1.68/1.21                                                                     X252 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X254:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X250 @
% 1.68/1.21                                                                     X254 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X252 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X254 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X256:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X258:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X250 @
% 1.68/1.21                                                                     X258 ) <=>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X258 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X256 ) ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X260:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X260 ) !=
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyset ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X262:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X262 @ 
% 1.68/1.21                                                                     X260 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X264:$i,
% 1.68/1.21                                                                     X266:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X264 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X266 @ 
% 1.68/1.21                                                                     emptyset ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X264 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X266 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X268:$i,
% 1.68/1.21                                                                     X270:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X268 ) !=
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X270 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X270 @ 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      setadjoin
% 1.68/1.21                                                                      @
% 1.68/1.21                                                                      X268 @ 
% 1.68/1.21                                                                      emptyset ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X272:$i,
% 1.68/1.21                                                                     X274:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X272 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X274 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X272 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X274 @ 
% 1.68/1.21                                                                     emptyset ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X276:$i,
% 1.68/1.21                                                                     X278:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X276 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X278 @ 
% 1.68/1.21                                                                     emptyset ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X278 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X276 @ 
% 1.68/1.21                                                                     emptyset ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X280:$i,
% 1.68/1.21                                                                     X282:$i,
% 1.68/1.21                                                                     X284:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X284 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X280 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X282 @ 
% 1.68/1.21                                                                     emptyset ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X284 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X282 ) ) | 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X284 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X280 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X286:$i,
% 1.68/1.21                                                                     X288:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X286 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X286 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X288 @ 
% 1.68/1.21                                                                     emptyset ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X290:$i,
% 1.68/1.21                                                                     X292:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X292 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X290 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     setadjoin
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X292 @ 
% 1.68/1.21                                                                     emptyset ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X294:$i,
% 1.68/1.21                                                                     X296:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X298:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X298 @ 
% 1.68/1.21                                                                     X294 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X296 @
% 1.68/1.21                                                                     X298 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     dsetconstr
% 1.68/1.21                                                                     @
% 1.68/1.21                                                                     X294 @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ^[
% 1.68/1.21                                                                     V_8:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X296 @ V_8 ) ) ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     emptyset ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     $false ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X300:( 
% 1.68/1.21                                                                     $i > $o ),
% 1.68/1.21                                                                     X302:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X302 @ 
% 1.68/1.21                                                                     emptyset ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X300 @
% 1.68/1.21                                                                     X302 ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X304:$i,
% 1.68/1.21                                                                     X306:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ![
% 1.68/1.21                                                                      X308:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X308 @ 
% 1.68/1.21                                                                      X304 ) =>
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X306 @
% 1.68/1.21                                                                      X308 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X310:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X310 @ 
% 1.68/1.21                                                                     X304 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X306 @
% 1.68/1.21                                                                      X310 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X312:$i,
% 1.68/1.21                                                                     X314:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X316:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X316 @ 
% 1.68/1.21                                                                     X312 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X314 @
% 1.68/1.21                                                                      X316 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ?[
% 1.68/1.21                                                                      X318:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X318 @ 
% 1.68/1.21                                                                      X312 ) & 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X314 @
% 1.68/1.21                                                                      X318 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X320:$i,
% 1.68/1.21                                                                     X322:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ?[
% 1.68/1.21                                                                      X324:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X324 @ 
% 1.68/1.21                                                                      X320 ) & 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X322 @
% 1.68/1.21                                                                      X324 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X326:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X326 @ 
% 1.68/1.21                                                                     X320 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X322 @
% 1.68/1.21                                                                      X326 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X328:$i,
% 1.68/1.21                                                                     X330:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X332:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X332 @ 
% 1.68/1.21                                                                     X328 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X330 @
% 1.68/1.21                                                                      X332 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ![
% 1.68/1.21                                                                      X334:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X334 @ 
% 1.68/1.21                                                                      X328 ) =>
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X330 @
% 1.68/1.21                                                                      X334 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X336:$o]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X336 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     emptyset @ 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     prop2set @
% 1.68/1.21                                                                     X336 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X338:$o]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X338 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     set2prop @
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     prop2set @
% 1.68/1.21                                                                     X338 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X340:$i,
% 1.68/1.21                                                                     X342:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ?[
% 1.68/1.21                                                                      X344:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X344 @ 
% 1.68/1.21                                                                      X340 ) & 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X342 @
% 1.68/1.21                                                                      X344 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X346:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X346 @ 
% 1.68/1.21                                                                     X340 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X342 @
% 1.68/1.21                                                                      X346 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X348:$i,
% 1.68/1.21                                                                     X350:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      ![
% 1.68/1.21                                                                      X352:$i]:
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      in @
% 1.68/1.21                                                                      X352 @ 
% 1.68/1.21                                                                      X348 ) =>
% 1.68/1.21                                                                      ( 
% 1.68/1.21                                                                      X350 @
% 1.68/1.21                                                                      X352 ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X354:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X354 @ 
% 1.68/1.21                                                                     X348 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ~( 
% 1.68/1.21                                                                      X350 @
% 1.68/1.21                                                                      X354 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X356:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X358:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X356 @
% 1.68/1.21                                                                     X358 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X360:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X356 @
% 1.68/1.21                                                                     X360 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X358 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X360 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X362:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X356 @
% 1.68/1.21                                                                     X362 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X364:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X356 @
% 1.68/1.21                                                                     X364 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X362 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X364 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X366:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X368:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X366 @
% 1.68/1.21                                                                     X368 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X370:$i,
% 1.68/1.21                                                                     X372:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X366 @
% 1.68/1.21                                                                     X370 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X366 @
% 1.68/1.21                                                                     X372 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X370 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X372 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X374:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X366 @
% 1.68/1.21                                                                     X374 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X376:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X366 @
% 1.68/1.21                                                                     X376 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X374 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X376 ) ) ) ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X378:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X380:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X382:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X378 @
% 1.68/1.21                                                                     X382 ) <=>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X382 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X380 ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X384:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X378 @
% 1.68/1.21                                                                     X384 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X386:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X378 @
% 1.68/1.21                                                                     X386 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X384 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X386 ) ) ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X388:$i,
% 1.68/1.21                                                                     X390:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X388 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X390 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X392:$i,
% 1.68/1.21                                                                     X394:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X392 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X394 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X392 @ 
% 1.68/1.21                                                                     X388 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X394 @ 
% 1.68/1.21                                                                     X390 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X396:$i,
% 1.68/1.21                                                                     X398:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X396 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X398 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X400:$i,
% 1.68/1.21                                                                     X402:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X400 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X402 ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X400 @ 
% 1.68/1.21                                                                     X396 ) <=>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     in @
% 1.68/1.21                                                                     X402 @ 
% 1.68/1.21                                                                     X398 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X404:( 
% 1.68/1.21                                                                     $i > $o )]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ?[
% 1.68/1.21                                                                     X406:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X404 @
% 1.68/1.21                                                                     X406 ) & 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X408:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X404 @
% 1.68/1.21                                                                     X408 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X406 ) =
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X408 ) ) ) ) ) ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ![
% 1.68/1.21                                                                     X410:$i,
% 1.68/1.21                                                                     X412:$i]:
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X404 @
% 1.68/1.21                                                                     X410 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     ( 
% 1.68/1.21                                                                     X404 @
% 1.68/1.21                                                                     X412 ) =>
% 1.68/1.21                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X410 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X412 ) ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X414:( 
% 1.68/1.22                                                                     $i > $o ),
% 1.68/1.22                                                                     X416:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X418:$i,
% 1.68/1.22                                                                     X420:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X418 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X420 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X414 @
% 1.68/1.22                                                                     X418 ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X416 @
% 1.68/1.22                                                                     X420 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X422:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X414 @
% 1.68/1.22                                                                     X422 ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X424:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X414 @
% 1.68/1.22                                                                     X424 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X422 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X424 ) ) ) ) ) ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X426:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X416 @
% 1.68/1.22                                                                     X426 ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X428:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X416 @
% 1.68/1.22                                                                     X428 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X426 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X428 ) ) ) ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X430:$i,
% 1.68/1.22                                                                     X432:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X430 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X432 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X434:$i,
% 1.68/1.22                                                                     X436:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X434 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X436 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X430 @ 
% 1.68/1.22                                                                     X434 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X432 @ 
% 1.68/1.22                                                                     X436 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.68/1.22  thf(zf_stmt_1, type, zip_tseitin_5 : $i > ( $i > $o ) > $o).
% 1.68/1.22  thf(zf_stmt_2, axiom,
% 1.68/1.22    (![X422:$i,X414:( $i > $o )]:
% 1.68/1.22     ( ( zip_tseitin_5 @ X422 @ X414 ) <=>
% 1.68/1.22       ( ( ![X424:$i]: ( zip_tseitin_4 @ X424 @ X422 @ X414 ) ) & 
% 1.68/1.22         ( X414 @ X422 ) ) ))).
% 1.68/1.22  thf(zf_stmt_3, type, zip_tseitin_4 : $i > $i > ( $i > $o ) > $o).
% 1.68/1.22  thf(zf_stmt_4, axiom,
% 1.68/1.22    (![X424:$i,X422:$i,X414:( $i > $o )]:
% 1.68/1.22     ( ( zip_tseitin_4 @ X424 @ X422 @ X414 ) <=>
% 1.68/1.22       ( ( X414 @ X424 ) => ( ( X422 ) = ( X424 ) ) ) ))).
% 1.68/1.22  thf(zf_stmt_5, type, zip_tseitin_3 : $i > $i > $i > ( $i > $i > $o ) > $o).
% 1.68/1.22  thf(zf_stmt_6, axiom,
% 1.68/1.22    (![X52:$i,X50:$i,X40:$i,X38:( $i > $i > $o )]:
% 1.68/1.22     ( ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) <=>
% 1.68/1.22       ( ( X38 @ X52 @ X50 ) & ( in @ X52 @ X40 ) ) ))).
% 1.68/1.22  thf(zf_stmt_7, type, zip_tseitin_2 : $i > $i > $i > $o).
% 1.68/1.22  thf(zf_stmt_8, axiom,
% 1.68/1.22    (![X28:$i,X26:$i,X24:$i]:
% 1.68/1.22     ( ( zip_tseitin_2 @ X28 @ X26 @ X24 ) <=>
% 1.68/1.22       ( ( in @ X28 @ X24 ) & ( in @ X26 @ X28 ) ) ))).
% 1.68/1.22  thf(zf_stmt_9, type, zip_tseitin_1 : $i > $i > $i > $o).
% 1.68/1.22  thf(zf_stmt_10, axiom,
% 1.68/1.22    (![X22:$i,X20:$i,X18:$i]:
% 1.68/1.22     ( ( zip_tseitin_1 @ X22 @ X20 @ X18 ) <=>
% 1.68/1.22       ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ))).
% 1.68/1.22  thf(zf_stmt_11, type, zip_tseitin_0 : $i > $i > $i > $o).
% 1.68/1.22  thf(zf_stmt_12, axiom,
% 1.68/1.22    (![X16:$i,X14:$i,X12:$i]:
% 1.68/1.22     ( ( zip_tseitin_0 @ X16 @ X14 @ X12 ) <=>
% 1.68/1.22       ( ( ( X16 ) = ( X12 ) ) | ( in @ X16 @ X14 ) ) ))).
% 1.68/1.22  thf(zf_stmt_13, conjecture,
% 1.68/1.22    (( ![X4:$i,X6:$i]:
% 1.68/1.22       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.68/1.22         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.68/1.22     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.68/1.22       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.68/1.22           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.68/1.22             ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.68/1.22         ( ( ![X18:$i,X20:$i]:
% 1.68/1.22             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.68/1.22               ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.68/1.22           ( ( ![X24:$i,X26:$i]:
% 1.68/1.22               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.68/1.22                 ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.68/1.22             ( ( in @ emptyset @ omega ) =>
% 1.68/1.22               ( ( ![X30:$i]:
% 1.68/1.22                   ( ( in @ X30 @ omega ) =>
% 1.68/1.22                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.68/1.22                 ( ( ![X32:$i]:
% 1.68/1.22                     ( ( ( in @ emptyset @ X32 ) & 
% 1.68/1.22                         ( ![X34:$i]:
% 1.68/1.22                           ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.68/1.22                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.68/1.22                       ( ![X36:$i]:
% 1.68/1.22                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.68/1.22                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.68/1.22                       ( ( ![X42:$i]:
% 1.68/1.22                           ( ( in @ X42 @ X40 ) =>
% 1.68/1.22                             ( ?[X44:$i]:
% 1.68/1.22                               ( ( ![X46:$i]:
% 1.68/1.22                                   ( ( X38 @ X42 @ X46 ) =>
% 1.68/1.22                                     ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.68/1.22                                 ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.68/1.22                         ( ?[X48:$i]:
% 1.68/1.22                           ( ![X50:$i]:
% 1.68/1.22                             ( ( in @ X50 @ X48 ) <=>
% 1.68/1.22                               ( ?[X52:$i]:
% 1.68/1.22                                 ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.68/1.22                     ( ( ![X54:$i]:
% 1.68/1.22                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.68/1.22                           ( ?[X58:$i]:
% 1.68/1.22                             ( ( ~( ?[X60:$i]:
% 1.68/1.22                                    ( ( in @ X60 @ X54 ) & ( in @ X60 @ X58 ) ) ) ) & 
% 1.68/1.22                               ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.68/1.22                       ( ( ![X62:$i]:
% 1.68/1.22                           ( ?[X64:$i]:
% 1.68/1.22                             ( ( ![X66:$i]:
% 1.68/1.22                                 ( ( ( ![X68:$i]:
% 1.68/1.22                                       ( ( in @ X68 @ X66 ) =>
% 1.68/1.22                                         ( in @ X68 @ X62 ) ) ) & 
% 1.68/1.22                                     ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.68/1.22                                   ( ?[X72:$i,X74:$i]:
% 1.68/1.22                                     ( ( ![X76:$i]:
% 1.68/1.22                                         ( ( in @ X76 @ X64 ) =>
% 1.68/1.22                                           ( ( ![X78:$i]:
% 1.68/1.22                                               ( ( in @ X78 @ X76 ) =>
% 1.68/1.22                                                 ( in @ X78 @ X72 ) ) ) | 
% 1.68/1.22                                             ( in @ X74 @ X76 ) ) ) ) & 
% 1.68/1.22                                       ( ~( ?[X80:$i]:
% 1.68/1.22                                            ( ( in @ X80 @ X66 ) & 
% 1.68/1.22                                              ( in @ X80 @ X72 ) ) ) ) & 
% 1.68/1.22                                       ( in @ X74 @ X66 ) & ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.68/1.22                               ( ![X82:$i,X84:$i]:
% 1.68/1.22                                 ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.68/1.22                                   ( ( ![X86:$i]:
% 1.68/1.22                                       ( ( in @ X86 @ X82 ) =>
% 1.68/1.22                                         ( in @ X86 @ X84 ) ) ) | 
% 1.68/1.22                                     ( ![X88:$i]:
% 1.68/1.22                                       ( ( in @ X88 @ X84 ) =>
% 1.68/1.22                                         ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.68/1.22                               ( ![X90:$i,X92:$i]:
% 1.68/1.22                                 ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.68/1.22                                   ( ( ![X94:$i]:
% 1.68/1.22                                       ( ( in @ X94 @ X64 ) =>
% 1.68/1.22                                         ( ( in @ X90 @ X94 ) <=>
% 1.68/1.22                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.68/1.22                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.68/1.22                               ( ![X96:$i]:
% 1.68/1.22                                 ( ( in @ X96 @ X64 ) =>
% 1.68/1.22                                   ( ![X98:$i]:
% 1.68/1.22                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.68/1.22                         ( ( ![X100:( $i > $o )]:
% 1.68/1.22                             ( ( ?[X102:$i]:
% 1.68/1.22                                 ( ( ![X104:$i]:
% 1.68/1.22                                     ( ( X100 @ X104 ) =>
% 1.68/1.22                                       ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.68/1.22                                   ( X100 @ X102 ) ) ) =>
% 1.68/1.22                               ( X100 @
% 1.68/1.22                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.68/1.22                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.68/1.22                               ( ( in @ X110 @ X106 ) =>
% 1.68/1.22                                 ( ( X108 @ X110 ) =>
% 1.68/1.22                                   ( in @
% 1.68/1.22                                     X110 @ 
% 1.68/1.22                                     ( dsetconstr @
% 1.68/1.22                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.68/1.22                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.68/1.22                                 ( ( in @
% 1.68/1.22                                     X116 @ 
% 1.68/1.22                                     ( dsetconstr @
% 1.68/1.22                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.68/1.22                                   ( in @ X116 @ X112 ) ) ) =>
% 1.68/1.22                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.68/1.22                                   ( ( in @
% 1.68/1.22                                       X122 @ 
% 1.68/1.22                                       ( dsetconstr @
% 1.68/1.22                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.68/1.22                                     ( X120 @ X122 ) ) ) =>
% 1.68/1.22                                 ( ( ![X124:( $i > $o )]:
% 1.68/1.22                                     ( ( ?[X126:$i]:
% 1.68/1.22                                         ( ( ![X128:$i]:
% 1.68/1.22                                             ( ( X124 @ X128 ) =>
% 1.68/1.22                                               ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.68/1.22                                           ( X124 @ X126 ) ) ) =>
% 1.68/1.22                                       ( ?[X130:$i]:
% 1.68/1.22                                         ( ( ![X132:$i]:
% 1.68/1.22                                             ( ( X124 @ X132 ) =>
% 1.68/1.22                                               ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.68/1.22                                           ( X124 @ X130 ) ) ) ) ) =>
% 1.68/1.22                                   ( ( ![X134:$o,X136:$i]:
% 1.68/1.22                                       ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.68/1.22                                         ( X134 ) ) ) =>
% 1.68/1.22                                     ( ( ![X138:$i]:
% 1.68/1.22                                         ( ( in @ X138 @ emptyset ) =>
% 1.68/1.22                                           ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.68/1.22                                       ( ( ![X142:$i]:
% 1.68/1.22                                           ( ~( in @ X142 @ emptyset ) ) ) =>
% 1.68/1.22                                         ( ( ![X144:$i]:
% 1.68/1.22                                             ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.68/1.22                                           ( ( ![X146:( $i > $o )]:
% 1.68/1.22                                               ( ( ?[X148:$i]:
% 1.68/1.22                                                   ( ( ![X150:$i]:
% 1.68/1.22                                                       ( ( X146 @ X150 ) =>
% 1.68/1.22                                                         ( ( X148 ) = ( X150 ) ) ) ) & 
% 1.68/1.22                                                     ( X146 @ X148 ) ) ) =>
% 1.68/1.22                                                 ( ?[X152:$i]: ( X146 @ X152 ) ) ) ) =>
% 1.68/1.22                                             ( ( ![X154:$i,X156:$i]:
% 1.68/1.22                                                 ( ( ![X158:$i]:
% 1.68/1.22                                                     ( ( in @ X158 @ X154 ) =>
% 1.68/1.22                                                       ( in @ X158 @ X156 ) ) ) =>
% 1.68/1.22                                                   ( ( ![X160:$i]:
% 1.68/1.22                                                       ( ( in @ X160 @ X156 ) =>
% 1.68/1.22                                                         ( in @ X160 @ X154 ) ) ) =>
% 1.68/1.22                                                     ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.68/1.22                                               ( ( ![X162:$i]:
% 1.68/1.22                                                   ( ( ![X164:$i]:
% 1.68/1.22                                                       ( ~( in @ X164 @ X162 ) ) ) =>
% 1.68/1.22                                                     ( ( X162 ) = ( emptyset ) ) ) ) =>
% 1.68/1.22                                                 ( ( ![X166:$i]:
% 1.68/1.22                                                     ( ( ![X168:$i]:
% 1.68/1.22                                                         ( ~( in @ X168 @ X166 ) ) ) =>
% 1.68/1.22                                                       ( ( X166 ) =
% 1.68/1.22                                                         ( emptyset ) ) ) ) =>
% 1.68/1.22                                                   ( ( ![X170:$i,
% 1.68/1.22                                                         X172:( $i > $o ),
% 1.68/1.22                                                         X174:$i]:
% 1.68/1.22                                                       ( ( in @ X174 @ X170 ) =>
% 1.68/1.22                                                         ( ( in @
% 1.68/1.22                                                             X174 @ 
% 1.68/1.22                                                             ( dsetconstr @
% 1.68/1.22                                                               X170 @ 
% 1.68/1.22                                                               ( ^[V_5:$i]:
% 1.68/1.22                                                                 ( X172 @ V_5 ) ) ) ) <=>
% 1.68/1.22                                                           ( X172 @ X174 ) ) ) ) =>
% 1.68/1.22                                                     ( ( ![X176:$i]:
% 1.68/1.22                                                         ( ( ( X176 ) !=
% 1.68/1.22                                                             ( emptyset ) ) =>
% 1.68/1.22                                                           ( ?[X178:$i]:
% 1.68/1.22                                                             ( in @ X178 @ X176 ) ) ) ) =>
% 1.68/1.22                                                       ( ( ![X180:$i,
% 1.68/1.22                                                             X182:( $i > $o ),
% 1.68/1.22                                                             X184:$i]:
% 1.68/1.22                                                           ( ( in @ X184 @ X180 ) =>
% 1.68/1.22                                                             ( ( X182 @ X184 ) =>
% 1.68/1.22                                                               ( ( dsetconstr @
% 1.68/1.22                                                                   X180 @ 
% 1.68/1.22                                                                   ( ^[
% 1.68/1.22                                                                     V_6:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X182 @ V_6 ) ) ) !=
% 1.68/1.22                                                                 ( emptyset ) ) ) ) ) =>
% 1.68/1.22                                                         ( ( ![X186:$i]:
% 1.68/1.22                                                             ( ( ?[X188:$i]:
% 1.68/1.22                                                                 ( in @
% 1.68/1.22                                                                   X188 @ X186 ) ) =>
% 1.68/1.22                                                               ( ( X186 ) !=
% 1.68/1.22                                                                 ( emptyset ) ) ) ) =>
% 1.68/1.22                                                           ( ( ![X190:$i,
% 1.68/1.22                                                                 X192:$i]:
% 1.68/1.22                                                               ( in @
% 1.68/1.22                                                                 X190 @ 
% 1.68/1.22                                                                 ( setadjoin @
% 1.68/1.22                                                                   X190 @ X192 ) ) ) =>
% 1.68/1.22                                                             ( ( in @
% 1.68/1.22                                                                 emptyset @ 
% 1.68/1.22                                                                 ( setadjoin @
% 1.68/1.22                                                                   emptyset @ 
% 1.68/1.22                                                                   emptyset ) ) =>
% 1.68/1.22                                                               ( ( ![X194:$i,
% 1.68/1.22                                                                     X196:$i,
% 1.68/1.22                                                                     X198:$i]:
% 1.68/1.22                                                                   ( ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X198 @ 
% 1.68/1.22                                                                     X196 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X198 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X194 @ 
% 1.68/1.22                                                                     X196 ) ) ) ) =>
% 1.68/1.22                                                                 ( ( ![
% 1.68/1.22                                                                     X200:$i,
% 1.68/1.22                                                                     X202:$i,
% 1.68/1.22                                                                     X204:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X204 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X200 @ 
% 1.68/1.22                                                                     X202 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X206:$o]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X204 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X200 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X206 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X204 @ 
% 1.68/1.22                                                                     X202 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X206 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X206 ) ) ) ) ) ) =>
% 1.68/1.22                                                                   ( ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X208:$i,
% 1.68/1.22                                                                     X210:$i,
% 1.68/1.22                                                                     X212:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X212 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X208 @ 
% 1.68/1.22                                                                     X210 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X212 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X208 ) ) | 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X212 @ 
% 1.68/1.22                                                                     X210 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X214:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     dsetconstr
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X214 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ^[
% 1.68/1.22                                                                     V_7:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     $true ) ) ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X214 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X216:$i,
% 1.68/1.22                                                                     X218:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X220:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X220 @ 
% 1.68/1.22                                                                     X218 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X220 @ 
% 1.68/1.22                                                                     X216 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X218 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     powerset @
% 1.68/1.22                                                                     X216 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X222:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     emptyset @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     powerset @
% 1.68/1.22                                                                     X222 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X224:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     emptyset @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     powerset @
% 1.68/1.22                                                                     X224 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X226:$i,
% 1.68/1.22                                                                     X228:$i,
% 1.68/1.22                                                                     X230:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X228 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     powerset @
% 1.68/1.22                                                                     X226 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X230 @ 
% 1.68/1.22                                                                     X228 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X230 @ 
% 1.68/1.22                                                                     X226 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X232:$i,
% 1.68/1.22                                                                     X234:$i,
% 1.68/1.22                                                                     X236:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X234 @ 
% 1.68/1.22                                                                     X236 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X236 @ 
% 1.68/1.22                                                                     X232 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X234 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setunion @
% 1.68/1.22                                                                     X232 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X238:$i,
% 1.68/1.22                                                                     X240:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X240 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setunion @
% 1.68/1.22                                                                     X238 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X242:$o]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X244:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X240 @ 
% 1.68/1.22                                                                     X244 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X244 @ 
% 1.68/1.22                                                                     X238 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X242 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X242 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X246:$i,
% 1.68/1.22                                                                     X248:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X248 @ 
% 1.68/1.22                                                                     X246 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X248 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     powerset @
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setunion @
% 1.68/1.22                                                                     X246 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X250:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X252:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X254:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X250 @
% 1.68/1.22                                                                     X254 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X252 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X254 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X250 @
% 1.68/1.22                                                                     X252 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X256:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X258:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X250 @
% 1.68/1.22                                                                     X258 ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X258 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X256 ) ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X260:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X260 ) !=
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X262:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X262 @ 
% 1.68/1.22                                                                     X260 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X264:$i,
% 1.68/1.22                                                                     X266:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X264 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X266 @ 
% 1.68/1.22                                                                     emptyset ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X264 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X266 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X268:$i,
% 1.68/1.22                                                                     X270:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X268 ) !=
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X270 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X270 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X268 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X272:$i,
% 1.68/1.22                                                                     X274:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X272 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X274 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X272 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X274 @ 
% 1.68/1.22                                                                     emptyset ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X276:$i,
% 1.68/1.22                                                                     X278:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X276 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X278 @ 
% 1.68/1.22                                                                     emptyset ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X278 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X276 @ 
% 1.68/1.22                                                                     emptyset ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X280:$i,
% 1.68/1.22                                                                     X282:$i,
% 1.68/1.22                                                                     X284:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X284 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X280 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X282 @ 
% 1.68/1.22                                                                     emptyset ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X284 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X280 ) ) | 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X284 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X282 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X286:$i,
% 1.68/1.22                                                                     X288:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X286 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X286 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X288 @ 
% 1.68/1.22                                                                     emptyset ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X290:$i,
% 1.68/1.22                                                                     X292:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X292 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X290 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X292 @ 
% 1.68/1.22                                                                     emptyset ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X294:$i,
% 1.68/1.22                                                                     X296:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X298:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X296 @
% 1.68/1.22                                                                     X298 ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X298 @ 
% 1.68/1.22                                                                     X294 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     dsetconstr
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X294 @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ^[
% 1.68/1.22                                                                     V_8:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X296 @ V_8 ) ) ) !=
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X300:( 
% 1.68/1.22                                                                     $i > $o ),
% 1.68/1.22                                                                     X302:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X302 @ 
% 1.68/1.22                                                                     emptyset ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X300 @
% 1.68/1.22                                                                     X302 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X304:$i,
% 1.68/1.22                                                                     X306:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X308:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X308 @ 
% 1.68/1.22                                                                      X304 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X306 @
% 1.68/1.22                                                                      X308 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X310:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X306 @
% 1.68/1.22                                                                      X310 ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X310 @ 
% 1.68/1.22                                                                     X304 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X312:$i,
% 1.68/1.22                                                                     X314:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X316:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X316 @ 
% 1.68/1.22                                                                     X312 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X314 @
% 1.68/1.22                                                                      X316 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X318:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X314 @
% 1.68/1.22                                                                      X318 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X318 @ 
% 1.68/1.22                                                                      X312 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X320:$i,
% 1.68/1.22                                                                     X322:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X324:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X322 @
% 1.68/1.22                                                                      X324 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X324 @ 
% 1.68/1.22                                                                      X320 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X326:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X326 @ 
% 1.68/1.22                                                                     X320 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X322 @
% 1.68/1.22                                                                      X326 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X328:$i,
% 1.68/1.22                                                                     X330:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X332:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X330 @
% 1.68/1.22                                                                      X332 ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X332 @ 
% 1.68/1.22                                                                     X328 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X334:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X334 @ 
% 1.68/1.22                                                                      X328 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X330 @
% 1.68/1.22                                                                      X334 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X336:$o]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X336 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     emptyset @ 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     prop2set @
% 1.68/1.22                                                                     X336 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X338:$o]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X338 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     set2prop @
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     prop2set @
% 1.68/1.22                                                                     X338 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X340:$i,
% 1.68/1.22                                                                     X342:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X344:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X342 @
% 1.68/1.22                                                                      X344 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X344 @ 
% 1.68/1.22                                                                      X340 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X346:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X346 @ 
% 1.68/1.22                                                                     X340 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X342 @
% 1.68/1.22                                                                      X346 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X348:$i,
% 1.68/1.22                                                                     X350:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X352:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X352 @ 
% 1.68/1.22                                                                      X348 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X350 @
% 1.68/1.22                                                                      X352 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X354:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ~( 
% 1.68/1.22                                                                      X350 @
% 1.68/1.22                                                                      X354 ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X354 @ 
% 1.68/1.22                                                                     X348 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X356:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X358:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X360:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X356 @
% 1.68/1.22                                                                     X360 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X358 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X360 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X356 @
% 1.68/1.22                                                                     X358 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X362:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X364:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X356 @
% 1.68/1.22                                                                     X364 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X362 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X364 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X356 @
% 1.68/1.22                                                                     X362 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X366:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X368:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X366 @
% 1.68/1.22                                                                     X368 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X370:$i,
% 1.68/1.22                                                                     X372:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X366 @
% 1.68/1.22                                                                     X370 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X366 @
% 1.68/1.22                                                                     X372 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X370 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X372 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X374:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X376:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X366 @
% 1.68/1.22                                                                     X376 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X374 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X376 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X366 @
% 1.68/1.22                                                                     X374 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X378:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X380:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X382:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X378 @
% 1.68/1.22                                                                     X382 ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X382 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X380 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X384:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X386:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X378 @
% 1.68/1.22                                                                     X386 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X384 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X386 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X378 @
% 1.68/1.22                                                                     X384 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X388:$i,
% 1.68/1.22                                                                     X390:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X388 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X390 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X392:$i,
% 1.68/1.22                                                                     X394:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X392 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X394 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X392 @ 
% 1.68/1.22                                                                     X388 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X394 @ 
% 1.68/1.22                                                                     X390 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X396:$i,
% 1.68/1.22                                                                     X398:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X396 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X398 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X400:$i,
% 1.68/1.22                                                                     X402:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X400 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X402 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X400 @ 
% 1.68/1.22                                                                     X396 ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     in @
% 1.68/1.22                                                                     X402 @ 
% 1.68/1.22                                                                     X398 ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X404:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X406:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X408:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X404 @
% 1.68/1.22                                                                     X408 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X406 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X408 ) ) ) ) & 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X404 @
% 1.68/1.22                                                                     X406 ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X410:$i,
% 1.68/1.22                                                                     X412:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X404 @
% 1.68/1.22                                                                     X410 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X404 @
% 1.68/1.22                                                                     X412 ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X410 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X412 ) ) ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X414:( 
% 1.68/1.22                                                                     $i > $o ),
% 1.68/1.22                                                                     X416:( 
% 1.68/1.22                                                                     $i > $o )]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X418:$i,
% 1.68/1.22                                                                     X420:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X418 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X420 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X414 @
% 1.68/1.22                                                                     X418 ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X416 @
% 1.68/1.22                                                                     X420 ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X422:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     zip_tseitin_5
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X422 @ 
% 1.68/1.22                                                                     X414 ) ) <=>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ?[
% 1.68/1.22                                                                     X426:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     zip_tseitin_5
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X426 @ 
% 1.68/1.22                                                                     X416 ) ) ) ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     emptyset ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X430:$i,
% 1.68/1.22                                                                     X432:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X430 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X432 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ![
% 1.68/1.22                                                                     X434:$i,
% 1.68/1.22                                                                     X436:$i]:
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X434 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     X436 ) ) =>
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X430 @ 
% 1.68/1.22                                                                     X434 ) =
% 1.68/1.22                                                                     ( 
% 1.68/1.22                                                                     setadjoin
% 1.68/1.22                                                                     @
% 1.68/1.22                                                                     X432 @ 
% 1.68/1.22                                                                     X436 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.68/1.22  thf(zf_stmt_14, negated_conjecture,
% 1.68/1.22    (~( ( ![X4:$i,X6:$i]:
% 1.68/1.22          ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.68/1.22            ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.68/1.22        ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.68/1.22          ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.68/1.22              ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.68/1.22                ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.68/1.22            ( ( ![X18:$i,X20:$i]:
% 1.68/1.22                ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.68/1.22                  ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.68/1.22              ( ( ![X24:$i,X26:$i]:
% 1.68/1.22                  ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.68/1.22                    ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.68/1.22                ( ( in @ emptyset @ omega ) =>
% 1.68/1.22                  ( ( ![X30:$i]:
% 1.68/1.22                      ( ( in @ X30 @ omega ) =>
% 1.68/1.22                        ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.68/1.22                    ( ( ![X32:$i]:
% 1.68/1.22                        ( ( ( in @ emptyset @ X32 ) & 
% 1.68/1.22                            ( ![X34:$i]:
% 1.68/1.22                              ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.68/1.22                                ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.68/1.22                          ( ![X36:$i]:
% 1.68/1.22                            ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.68/1.22                      ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.68/1.22                          ( ( ![X42:$i]:
% 1.68/1.22                              ( ( in @ X42 @ X40 ) =>
% 1.68/1.22                                ( ?[X44:$i]:
% 1.68/1.22                                  ( ( ![X46:$i]:
% 1.68/1.22                                      ( ( X38 @ X42 @ X46 ) =>
% 1.68/1.22                                        ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.68/1.22                                    ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.68/1.22                            ( ?[X48:$i]:
% 1.68/1.22                              ( ![X50:$i]:
% 1.68/1.22                                ( ( in @ X50 @ X48 ) <=>
% 1.68/1.22                                  ( ?[X52:$i]:
% 1.68/1.22                                    ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.68/1.22                        ( ( ![X54:$i]:
% 1.68/1.22                            ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.68/1.22                              ( ?[X58:$i]:
% 1.68/1.22                                ( ( ~( ?[X60:$i]:
% 1.68/1.22                                       ( ( in @ X60 @ X54 ) & 
% 1.68/1.22                                         ( in @ X60 @ X58 ) ) ) ) & 
% 1.68/1.22                                  ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.68/1.22                          ( ( ![X62:$i]:
% 1.68/1.22                              ( ?[X64:$i]:
% 1.68/1.22                                ( ( ![X66:$i]:
% 1.68/1.22                                    ( ( ( ![X68:$i]:
% 1.68/1.22                                          ( ( in @ X68 @ X66 ) =>
% 1.68/1.22                                            ( in @ X68 @ X62 ) ) ) & 
% 1.68/1.22                                        ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.68/1.22                                      ( ?[X72:$i,X74:$i]:
% 1.68/1.22                                        ( ( ![X76:$i]:
% 1.68/1.22                                            ( ( in @ X76 @ X64 ) =>
% 1.68/1.22                                              ( ( ![X78:$i]:
% 1.68/1.22                                                  ( ( in @ X78 @ X76 ) =>
% 1.68/1.22                                                    ( in @ X78 @ X72 ) ) ) | 
% 1.68/1.22                                                ( in @ X74 @ X76 ) ) ) ) & 
% 1.68/1.22                                          ( ~( ?[X80:$i]:
% 1.68/1.22                                               ( ( in @ X80 @ X66 ) & 
% 1.68/1.22                                                 ( in @ X80 @ X72 ) ) ) ) & 
% 1.68/1.22                                          ( in @ X74 @ X66 ) & 
% 1.68/1.22                                          ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.68/1.22                                  ( ![X82:$i,X84:$i]:
% 1.68/1.22                                    ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.68/1.22                                      ( ( ![X86:$i]:
% 1.68/1.22                                          ( ( in @ X86 @ X82 ) =>
% 1.68/1.22                                            ( in @ X86 @ X84 ) ) ) | 
% 1.68/1.22                                        ( ![X88:$i]:
% 1.68/1.22                                          ( ( in @ X88 @ X84 ) =>
% 1.68/1.22                                            ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.68/1.22                                  ( ![X90:$i,X92:$i]:
% 1.68/1.22                                    ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.68/1.22                                      ( ( ![X94:$i]:
% 1.68/1.22                                          ( ( in @ X94 @ X64 ) =>
% 1.68/1.22                                            ( ( in @ X90 @ X94 ) <=>
% 1.68/1.22                                              ( in @ X92 @ X94 ) ) ) ) =>
% 1.68/1.22                                        ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.68/1.22                                  ( ![X96:$i]:
% 1.68/1.22                                    ( ( in @ X96 @ X64 ) =>
% 1.68/1.22                                      ( ![X98:$i]:
% 1.68/1.22                                        ( ( in @ X98 @ X96 ) =>
% 1.68/1.22                                          ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.68/1.22                            ( ( ![X100:( $i > $o )]:
% 1.68/1.22                                ( ( ?[X102:$i]:
% 1.68/1.22                                    ( ( ![X104:$i]:
% 1.68/1.22                                        ( ( X100 @ X104 ) =>
% 1.68/1.22                                          ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.68/1.22                                      ( X100 @ X102 ) ) ) =>
% 1.68/1.22                                  ( X100 @
% 1.68/1.22                                    ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.68/1.22                              ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.68/1.22                                  ( ( in @ X110 @ X106 ) =>
% 1.68/1.22                                    ( ( X108 @ X110 ) =>
% 1.68/1.22                                      ( in @
% 1.68/1.22                                        X110 @ 
% 1.68/1.22                                        ( dsetconstr @
% 1.68/1.22                                          X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.68/1.22                                ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.68/1.22                                    ( ( in @
% 1.68/1.22                                        X116 @ 
% 1.68/1.22                                        ( dsetconstr @
% 1.68/1.22                                          X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.68/1.22                                      ( in @ X116 @ X112 ) ) ) =>
% 1.68/1.22                                  ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.68/1.22                                      ( ( in @
% 1.68/1.22                                          X122 @ 
% 1.68/1.22                                          ( dsetconstr @
% 1.68/1.22                                            X118 @ 
% 1.68/1.22                                            ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.68/1.22                                        ( X120 @ X122 ) ) ) =>
% 1.68/1.22                                    ( ( ![X124:( $i > $o )]:
% 1.68/1.22                                        ( ( ?[X126:$i]:
% 1.68/1.22                                            ( ( ![X128:$i]:
% 1.68/1.22                                                ( ( X124 @ X128 ) =>
% 1.68/1.22                                                  ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.68/1.22                                              ( X124 @ X126 ) ) ) =>
% 1.68/1.22                                          ( ?[X130:$i]:
% 1.68/1.22                                            ( ( ![X132:$i]:
% 1.68/1.22                                                ( ( X124 @ X132 ) =>
% 1.68/1.22                                                  ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.68/1.22                                              ( X124 @ X130 ) ) ) ) ) =>
% 1.68/1.22                                      ( ( ![X134:$o,X136:$i]:
% 1.68/1.22                                          ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.68/1.22                                            ( X134 ) ) ) =>
% 1.68/1.22                                        ( ( ![X138:$i]:
% 1.68/1.22                                            ( ( in @ X138 @ emptyset ) =>
% 1.68/1.22                                              ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.68/1.22                                          ( ( ![X142:$i]:
% 1.68/1.22                                              ( ~( in @ X142 @ emptyset ) ) ) =>
% 1.68/1.22                                            ( ( ![X144:$i]:
% 1.68/1.22                                                ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.68/1.22                                              ( ( ![X146:( $i > $o )]:
% 1.68/1.22                                                  ( ( ?[X148:$i]:
% 1.68/1.22                                                      ( ( ![X150:$i]:
% 1.68/1.22                                                          ( ( X146 @ X150 ) =>
% 1.68/1.22                                                            ( ( X148 ) =
% 1.68/1.22                                                              ( X150 ) ) ) ) & 
% 1.68/1.22                                                        ( X146 @ X148 ) ) ) =>
% 1.68/1.22                                                    ( ?[X152:$i]:
% 1.68/1.22                                                      ( X146 @ X152 ) ) ) ) =>
% 1.68/1.22                                                ( ( ![X154:$i,X156:$i]:
% 1.68/1.22                                                    ( ( ![X158:$i]:
% 1.68/1.22                                                        ( ( in @ X158 @ X154 ) =>
% 1.68/1.22                                                          ( in @ X158 @ X156 ) ) ) =>
% 1.68/1.22                                                      ( ( ![X160:$i]:
% 1.68/1.22                                                          ( ( in @ X160 @ X156 ) =>
% 1.68/1.22                                                            ( in @ X160 @ X154 ) ) ) =>
% 1.68/1.22                                                        ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.68/1.22                                                  ( ( ![X162:$i]:
% 1.68/1.22                                                      ( ( ![X164:$i]:
% 1.68/1.22                                                          ( ~( in @ X164 @ X162 ) ) ) =>
% 1.68/1.22                                                        ( ( X162 ) =
% 1.68/1.22                                                          ( emptyset ) ) ) ) =>
% 1.68/1.22                                                    ( ( ![X166:$i]:
% 1.68/1.22                                                        ( ( ![X168:$i]:
% 1.68/1.22                                                            ( ~( in @
% 1.68/1.22                                                                 X168 @ X166 ) ) ) =>
% 1.68/1.22                                                          ( ( X166 ) =
% 1.68/1.22                                                            ( emptyset ) ) ) ) =>
% 1.68/1.22                                                      ( ( ![X170:$i,
% 1.68/1.22                                                            X172:( $i > $o ),
% 1.68/1.22                                                            X174:$i]:
% 1.68/1.22                                                          ( ( in @ X174 @ X170 ) =>
% 1.68/1.22                                                            ( ( in @
% 1.68/1.22                                                                X174 @ 
% 1.68/1.22                                                                ( dsetconstr @
% 1.68/1.22                                                                  X170 @ 
% 1.68/1.22                                                                  ( ^[V_5:$i]:
% 1.68/1.22                                                                    ( X172 @
% 1.68/1.22                                                                      V_5 ) ) ) ) <=>
% 1.68/1.22                                                              ( X172 @ X174 ) ) ) ) =>
% 1.68/1.22                                                        ( ( ![X176:$i]:
% 1.68/1.22                                                            ( ( ( X176 ) !=
% 1.68/1.22                                                                ( emptyset ) ) =>
% 1.68/1.22                                                              ( ?[X178:$i]:
% 1.68/1.22                                                                ( in @
% 1.68/1.22                                                                  X178 @ X176 ) ) ) ) =>
% 1.68/1.22                                                          ( ( ![X180:$i,
% 1.68/1.22                                                                X182:( 
% 1.68/1.22                                                                $i > $o ),
% 1.68/1.22                                                                X184:$i]:
% 1.68/1.22                                                              ( ( in @
% 1.68/1.22                                                                  X184 @ X180 ) =>
% 1.68/1.22                                                                ( ( X182 @ X184 ) =>
% 1.68/1.22                                                                  ( ( dsetconstr
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X180 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ^[
% 1.68/1.22                                                                      V_6:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X182 @
% 1.68/1.22                                                                      V_6 ) ) ) !=
% 1.68/1.22                                                                    ( emptyset ) ) ) ) ) =>
% 1.68/1.22                                                            ( ( ![X186:$i]:
% 1.68/1.22                                                                ( ( ?[X188:$i]:
% 1.68/1.22                                                                    ( in @
% 1.68/1.22                                                                      X188 @ 
% 1.68/1.22                                                                      X186 ) ) =>
% 1.68/1.22                                                                  ( ( X186 ) !=
% 1.68/1.22                                                                    ( emptyset ) ) ) ) =>
% 1.68/1.22                                                              ( ( ![X190:$i,
% 1.68/1.22                                                                    X192:$i]:
% 1.68/1.22                                                                  ( in @
% 1.68/1.22                                                                    X190 @ 
% 1.68/1.22                                                                    ( setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X190 @ 
% 1.68/1.22                                                                      X192 ) ) ) =>
% 1.68/1.22                                                                ( ( in @
% 1.68/1.22                                                                    emptyset @ 
% 1.68/1.22                                                                    ( setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      emptyset @ 
% 1.68/1.22                                                                      emptyset ) ) =>
% 1.68/1.22                                                                  ( ( ![
% 1.68/1.22                                                                      X194:$i,
% 1.68/1.22                                                                      X196:$i,
% 1.68/1.22                                                                      X198:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X198 @ 
% 1.68/1.22                                                                      X196 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X198 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X194 @ 
% 1.68/1.22                                                                      X196 ) ) ) ) =>
% 1.68/1.22                                                                    ( ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X200:$i,
% 1.68/1.22                                                                      X202:$i,
% 1.68/1.22                                                                      X204:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X204 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X200 @ 
% 1.68/1.22                                                                      X202 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X206:$o]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X204 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X200 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X206 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X204 @ 
% 1.68/1.22                                                                      X202 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X206 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X206 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X208:$i,
% 1.68/1.22                                                                      X210:$i,
% 1.68/1.22                                                                      X212:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X212 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X208 @ 
% 1.68/1.22                                                                      X210 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X212 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X208 ) ) | 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X212 @ 
% 1.68/1.22                                                                      X210 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X214:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      dsetconstr
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X214 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ^[
% 1.68/1.22                                                                      V_7:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      $true ) ) ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X214 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X216:$i,
% 1.68/1.22                                                                      X218:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X220:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X220 @ 
% 1.68/1.22                                                                      X218 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X220 @ 
% 1.68/1.22                                                                      X216 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X218 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      powerset
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X216 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X222:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      emptyset @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      powerset
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X222 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X224:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      emptyset @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      powerset
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X224 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X226:$i,
% 1.68/1.22                                                                      X228:$i,
% 1.68/1.22                                                                      X230:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X228 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      powerset
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X226 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X230 @ 
% 1.68/1.22                                                                      X228 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X230 @ 
% 1.68/1.22                                                                      X226 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X232:$i,
% 1.68/1.22                                                                      X234:$i,
% 1.68/1.22                                                                      X236:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X234 @ 
% 1.68/1.22                                                                      X236 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X236 @ 
% 1.68/1.22                                                                      X232 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X234 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setunion
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X232 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X238:$i,
% 1.68/1.22                                                                      X240:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X240 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setunion
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X238 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X242:$o]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X244:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X240 @ 
% 1.68/1.22                                                                      X244 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X244 @ 
% 1.68/1.22                                                                      X238 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X242 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X242 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X246:$i,
% 1.68/1.22                                                                      X248:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X248 @ 
% 1.68/1.22                                                                      X246 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X248 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      powerset
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setunion
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X246 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X250:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X252:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X254:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X250 @
% 1.68/1.22                                                                      X254 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X252 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X254 ) ) ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X250 @
% 1.68/1.22                                                                      X252 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X256:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X258:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X250 @
% 1.68/1.22                                                                      X258 ) <=>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X258 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X256 ) ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X260:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X260 ) !=
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      emptyset ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X262:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X262 @ 
% 1.68/1.22                                                                      X260 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X264:$i,
% 1.68/1.22                                                                      X266:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X264 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X266 @ 
% 1.68/1.22                                                                      emptyset ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X264 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X266 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X268:$i,
% 1.68/1.22                                                                      X270:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X268 ) !=
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X270 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X270 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X268 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X272:$i,
% 1.68/1.22                                                                      X274:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X272 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X274 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X272 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X274 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X276:$i,
% 1.68/1.22                                                                      X278:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X276 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X278 @ 
% 1.68/1.22                                                                      emptyset ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X278 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X276 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X280:$i,
% 1.68/1.22                                                                      X282:$i,
% 1.68/1.22                                                                      X284:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X284 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X280 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X282 @ 
% 1.68/1.22                                                                      emptyset ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X284 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X280 ) ) | 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X284 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X282 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X286:$i,
% 1.68/1.22                                                                      X288:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X286 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X286 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X288 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X290:$i,
% 1.68/1.22                                                                      X292:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X292 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X290 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      setadjoin
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X292 @ 
% 1.68/1.22                                                                      emptyset ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X294:$i,
% 1.68/1.22                                                                      X296:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X298:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X296 @
% 1.68/1.22                                                                      X298 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X298 @ 
% 1.68/1.22                                                                      X294 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      dsetconstr
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      X294 @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ^[
% 1.68/1.22                                                                      V_8:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X296 @
% 1.68/1.22                                                                      V_8 ) ) ) !=
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      emptyset ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X300:( 
% 1.68/1.22                                                                      $i > $o ),
% 1.68/1.22                                                                      X302:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X302 @ 
% 1.68/1.22                                                                      emptyset ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X300 @
% 1.68/1.22                                                                      X302 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X304:$i,
% 1.68/1.22                                                                      X306:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X308:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X308 @ 
% 1.68/1.22                                                                      X304 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X306 @
% 1.68/1.22                                                                      X308 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X310:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X306 @
% 1.68/1.22                                                                      X310 ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X310 @ 
% 1.68/1.22                                                                      X304 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X312:$i,
% 1.68/1.22                                                                      X314:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X316:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X316 @ 
% 1.68/1.22                                                                      X312 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X314 @
% 1.68/1.22                                                                      X316 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X318:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X314 @
% 1.68/1.22                                                                      X318 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X318 @ 
% 1.68/1.22                                                                      X312 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X320:$i,
% 1.68/1.22                                                                      X322:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X324:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X322 @
% 1.68/1.22                                                                      X324 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X324 @ 
% 1.68/1.22                                                                      X320 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X326:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X326 @ 
% 1.68/1.22                                                                      X320 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X322 @
% 1.68/1.22                                                                      X326 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X328:$i,
% 1.68/1.22                                                                      X330:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X332:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X330 @
% 1.68/1.22                                                                      X332 ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X332 @ 
% 1.68/1.22                                                                      X328 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X334:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X334 @ 
% 1.68/1.22                                                                      X328 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X330 @
% 1.68/1.22                                                                      X334 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X336:$o]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X336 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      emptyset @ 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      prop2set
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X336 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X338:$o]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X338 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      set2prop
% 1.68/1.22                                                                      @
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      prop2set
% 1.68/1.22                                                                      @ 
% 1.68/1.22                                                                      X338 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X340:$i,
% 1.68/1.22                                                                      X342:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X344:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X342 @
% 1.68/1.22                                                                      X344 ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X344 @ 
% 1.68/1.22                                                                      X340 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X346:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X346 @ 
% 1.68/1.22                                                                      X340 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X342 @
% 1.68/1.22                                                                      X346 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X348:$i,
% 1.68/1.22                                                                      X350:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X352:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X352 @ 
% 1.68/1.22                                                                      X348 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X350 @
% 1.68/1.22                                                                      X352 ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X354:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ~
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X350 @
% 1.68/1.22                                                                      X354 ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X354 @ 
% 1.68/1.22                                                                      X348 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X356:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X358:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X360:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X356 @
% 1.68/1.22                                                                      X360 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X358 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X360 ) ) ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X356 @
% 1.68/1.22                                                                      X358 ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X362:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X364:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X356 @
% 1.68/1.22                                                                      X364 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X362 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X364 ) ) ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X356 @
% 1.68/1.22                                                                      X362 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X366:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X368:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X366 @
% 1.68/1.22                                                                      X368 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X370:$i,
% 1.68/1.22                                                                      X372:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X366 @
% 1.68/1.22                                                                      X370 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X366 @
% 1.68/1.22                                                                      X372 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X370 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X372 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X374:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X376:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X366 @
% 1.68/1.22                                                                      X376 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X374 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X376 ) ) ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X366 @
% 1.68/1.22                                                                      X374 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X378:( 
% 1.68/1.22                                                                      $i > $o )]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X380:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X382:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X378 @
% 1.68/1.22                                                                      X382 ) <=>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X382 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X380 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ?[
% 1.68/1.22                                                                      X384:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X386:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X378 @
% 1.68/1.22                                                                      X386 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X384 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X386 ) ) ) ) & 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X378 @
% 1.68/1.22                                                                      X384 ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X388:$i,
% 1.68/1.22                                                                      X390:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X388 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X390 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X392:$i,
% 1.68/1.22                                                                      X394:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X392 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X394 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X392 @ 
% 1.68/1.22                                                                      X388 ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X394 @ 
% 1.68/1.22                                                                      X390 ) ) ) ) ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X396:$i,
% 1.68/1.22                                                                      X398:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X396 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X398 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ![
% 1.68/1.22                                                                      X400:$i,
% 1.68/1.22                                                                      X402:$i]:
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X400 ) =
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      X402 ) ) =>
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      ( 
% 1.68/1.22                                                                      in @
% 1.68/1.22                                                                      X400 @ 
% 1.68/1.23                                                                      X396 ) <=>
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      in @
% 1.68/1.23                                                                      X402 @ 
% 1.68/1.23                                                                      X398 ) ) ) ) ) ) =>
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ![
% 1.68/1.23                                                                      X404:( 
% 1.68/1.23                                                                      $i > $o )]:
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ?[
% 1.68/1.23                                                                      X406:$i]:
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ![
% 1.68/1.23                                                                      X408:$i]:
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X404 @
% 1.68/1.23                                                                      X408 ) =>
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X406 ) =
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X408 ) ) ) ) & 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X404 @
% 1.68/1.23                                                                      X406 ) ) ) =>
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ![
% 1.68/1.23                                                                      X410:$i,
% 1.68/1.23                                                                      X412:$i]:
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X404 @
% 1.68/1.23                                                                      X410 ) =>
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      ( 
% 1.68/1.23                                                                      X404 @
% 1.68/1.24                                                                      X412 ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X410 ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X412 ) ) ) ) ) ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ![
% 1.68/1.24                                                                      X414:( 
% 1.68/1.24                                                                      $i > $o ),
% 1.68/1.24                                                                      X416:( 
% 1.68/1.24                                                                      $i > $o )]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ![
% 1.68/1.24                                                                      X418:$i,
% 1.68/1.24                                                                      X420:$i]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X418 ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X420 ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X414 @
% 1.68/1.24                                                                      X418 ) <=>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X416 @
% 1.68/1.24                                                                      X420 ) ) ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ?[
% 1.68/1.24                                                                      X422:$i]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      zip_tseitin_5
% 1.68/1.24                                                                      @
% 1.68/1.24                                                                      X422 @ 
% 1.68/1.24                                                                      X414 ) ) <=>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ?[
% 1.68/1.24                                                                      X426:$i]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      zip_tseitin_5
% 1.68/1.24                                                                      @
% 1.68/1.24                                                                      X426 @ 
% 1.68/1.24                                                                      X416 ) ) ) ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      emptyset ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      emptyset ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ![
% 1.68/1.24                                                                      X430:$i,
% 1.68/1.24                                                                      X432:$i]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X430 ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X432 ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ![
% 1.68/1.24                                                                      X434:$i,
% 1.68/1.24                                                                      X436:$i]:
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X434 ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      X436 ) ) =>
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      setadjoin
% 1.68/1.24                                                                      @
% 1.68/1.24                                                                      X430 @ 
% 1.68/1.24                                                                      X434 ) =
% 1.68/1.24                                                                      ( 
% 1.68/1.24                                                                      setadjoin
% 1.68/1.24                                                                      @
% 1.68/1.24                                                                      X432 @ 
% 1.68/1.24                                                                      X436 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )),
% 1.68/1.24    inference('cnf.neg', [status(esa)], [zf_stmt_13])).
% 1.68/1.24  thf(zip_derived_cl91, plain,
% 1.68/1.24      (((setadjoin @ sk__217 @ sk__219) != (setadjoin @ sk__218 @ sk__220))),
% 1.68/1.24      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.68/1.24  thf(zip_derived_cl92, plain, (((sk__217) = (sk__218))),
% 1.68/1.24      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.68/1.24  thf(zip_derived_cl90, plain, (((sk__219) = (sk__220))),
% 1.68/1.24      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.68/1.24  thf(zip_derived_cl155, plain,
% 1.68/1.24      (((setadjoin @ sk__217 @ sk__219) != (setadjoin @ sk__217 @ sk__219))),
% 1.68/1.24      inference('demod', [status(thm)],
% 1.68/1.24                [zip_derived_cl91, zip_derived_cl92, zip_derived_cl90])).
% 1.68/1.24  thf(zip_derived_cl156, plain, ($false),
% 1.68/1.24      inference('simplify', [status(thm)], [zip_derived_cl155])).
% 1.68/1.24  
% 1.68/1.24  % SZS output end Refutation
% 1.68/1.24  
% 1.68/1.24  
% 1.68/1.24  % Terminating...
% 1.88/1.48  % Runner terminated.
% 1.91/1.53  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------